201122102202102 has 32 divisors (see below), whose sum is σ = 446938471265760. Its totient is φ = 67040630778240.

The previous prime is 201122102202089. The next prime is 201122102202103. The reversal of 201122102202102 is 201202201221102.

It is a happy number.

201122102202102 is a `hidden beast` number, since 2 + 0 + 11 + 221 + 0 + 220 + 210 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122102202103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91581018 + ... + 93751410.

It is an arithmetic number, because the mean of its divisors is an integer number (13966827227055).

Almost surely, 2^{201122102202102} is an apocalyptic number.

201122102202102 is an abundant number, since it is smaller than the sum of its proper divisors (245816369063658).

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

201122102202102 is a wasteful number, since it uses less digits than its factorization.

201122102202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886445 (or 3886439 counting only the distinct ones).

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

Adding to 201122102202102 its reverse (201202201221102), we get a palindrome (402324303423204).

The spelling of 201122102202102 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred two million, two hundred two thousand, one hundred two".