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110012112021210 = 235731723149183511
BaseRepresentation
bin11001000000111000110000…
…110110111010011011011010
3112102112001111020110012200020
4121000320300312322123122
5103404414301134134320
61025550511102251310
732113053456144000
oct3100706066723332
9472461436405606
10110012112021210
1132064969253a83
1210409101886b36
1349501366c8309
141d2488679ca70
15caba02c0e940
hex640e30dba6da

110012112021210 has 512 divisors, whose sum is σ = 342477434880000. Its totient is φ = 22485442129920.

The previous prime is 110012112021197. The next prime is 110012112021211. The reversal of 110012112021210 is 12120211210011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 110012112021210.

It is not an unprimeable number, because it can be changed into a prime (110012112021211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 599393355 + ... + 599576865.

It is an arithmetic number, because the mean of its divisors is an integer number (668901240000).

Almost surely, 2110012112021210 is an apocalyptic number.

110012112021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 110012112021210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171238717440000).

110012112021210 is an abundant number, since it is smaller than the sum of its proper divisors (232465322858790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110012112021210 is a wasteful number, since it uses less digits than its factorization.

110012112021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183731 (or 183717 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110012112021210 its reverse (12120211210011), we get a palindrome (122132323231221).

The spelling of 110012112021210 in words is "one hundred ten trillion, twelve billion, one hundred twelve million, twenty-one thousand, two hundred ten".