100202121122202 has 96 divisors (see below), whose sum is σ = 245020170058560. Its totient is φ = 29315817216000.

The previous prime is 100202121122197. The next prime is 100202121122227. The reversal of 100202121122202 is 202221121202001.

It is a happy number.

100202121122202 is a `hidden beast` number, since 100 + 20 + 212 + 112 + 220 + 2 = 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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121382202 + ... + 122204922.

It is an arithmetic number, because the mean of its divisors is an integer number (2552293438110).

Almost surely, 2^{100202121122202} is an apocalyptic number.

100202121122202 is an abundant number, since it is smaller than the sum of its proper divisors (144818048936358).

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

100202121122202 is a wasteful number, since it uses less digits than its factorization.

100202121122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843980 (or 843977 counting only the distinct ones).

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

Adding to 100202121122202 its reverse (202221121202001), we get a palindrome (302423242324203).

The spelling of 100202121122202 in words is "one hundred trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred two".