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1211100000110 = 2571121321018377
BaseRepresentation
bin10001100111111011001…
…011110110111101101110
311021210001122022112120122
4101213323023312331232
5124320313100000420
62324212140044542
7153333121101260
oct21477313667556
94253048275518
101211100000110
11427696416500
12176876b33752
138a28b155c00
14428907c9b30
152178442e725
hex119fb2f6f6e

1211100000110 has 288 divisors, whose sum is σ = 2995061541696. Its totient is φ = 344957184000.

The previous prime is 1211100000107. The next prime is 1211100000137. The reversal of 1211100000110 is 110000011121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 144570242 + ... + 144578618.

It is an arithmetic number, because the mean of its divisors is an integer number (10399519242).

Almost surely, 21211100000110 is an apocalyptic number.

1211100000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211100000110 is an abundant number, since it is smaller than the sum of its proper divisors (1783961541586).

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

1211100000110 is a wasteful number, since it uses less digits than its factorization.

1211100000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540 (or 8516 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1211100000110 its reverse (110000011121), we get a palindrome (1321100011231).

The spelling of 1211100000110 in words is "one trillion, two hundred eleven billion, one hundred million, one hundred ten", and thus it is an aban number.