202101122202102 has 96 divisors (see below), whose sum is σ = 480847638110112. Its totient is φ = 63400067518464.

The previous prime is 202101122202041. The next prime is 202101122202103. The reversal of 202101122202102 is 201202221101202.

It is a happy number.

202101122202102 is a `hidden beast` number, since 20 + 210 + 1 + 1 + 2 + 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 (202101122202103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124919098 + ... + 126526610.

It is an arithmetic number, because the mean of its divisors is an integer number (5008829563647).

Almost surely, 2^{202101122202102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202101122202102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240423819055056).

202101122202102 is an abundant number, since it is smaller than the sum of its proper divisors (278746515908010).

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

202101122202102 is a wasteful number, since it uses less digits than its factorization.

202101122202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622764 (or 1622752 counting only the distinct ones).

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

Adding to 202101122202102 its reverse (201202221101202), we get a palindrome (403303343303304).

The spelling of 202101122202102 in words is "two hundred two trillion, one hundred one billion, one hundred twenty-two million, two hundred two thousand, one hundred two".