121022202112002 has 40 divisors (see below), whose sum is σ = 277793510012172. Its totient is φ = 39356813692800.

The previous prime is 121022202111929. The next prime is 121022202112067. The reversal of 121022202112002 is 200211202220121.

It is a happy number.

121022202112002 is a `hidden beast` number, since 1 + 210 + 2 + 220 + 211 + 20 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120712433060241 + 309769051761 = 10986921^2 + 556569^2 .

It is a super-2 number, since 2×121022202112002² (a number of 29 digits) contains 22 as substring.

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 19 ways as a sum of consecutive naturals, for example, 9110366899 + ... + 9110380182.

Almost surely, 2^{121022202112002} is an apocalyptic number.

121022202112002 is an abundant number, since it is smaller than the sum of its proper divisors (156771307900170).

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

121022202112002 is a wasteful number, since it uses less digits than its factorization.

121022202112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18220747136 (or 18220747127 counting only the distinct ones).

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

Adding to 121022202112002 its reverse (200211202220121), we get a palindrome (321233404332123).

The spelling of 121022202112002 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred two million, one hundred twelve thousand, two".