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11020221222210 = 232543101191147613
BaseRepresentation
bin1010000001011101100001…
…0111110000110101000010
31110000112010011110012101100
42200113120113300311002
52421023403113102320
635234341510315230
72215120232554044
oct240273027606502
943015104405340
1011020221222210
113569716646502
12129b961958b16
1361c2828a67b5
142a154ada5a94
151419dba72790
hexa05d85f0d42

11020221222210 has 192 divisors, whose sum is σ = 29764424042496. Its totient is φ = 2827065024000.

The previous prime is 11020221222203. The next prime is 11020221222259. The reversal of 11020221222210 is 1222212202011.

It is a happy number.

11020221222210 is a `hidden beast` number, since 1 + 10 + 2 + 0 + 221 + 222 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74582364 + ... + 74729976.

It is an arithmetic number, because the mean of its divisors is an integer number (155023041888).

Almost surely, 211020221222210 is an apocalyptic number.

11020221222210 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 11020221222210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14882212021248).

11020221222210 is an abundant number, since it is smaller than the sum of its proper divisors (18744202820286).

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

11020221222210 is a wasteful number, since it uses less digits than its factorization.

11020221222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147961 (or 147958 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11020221222210 its reverse (1222212202011), we get a palindrome (12242433424221).

It can be divided in two parts, 1102022 and 1222210, that added together give a palindrome (2324232).

The spelling of 11020221222210 in words is "eleven trillion, twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred ten".