122021002121202 has 24 divisors (see below), whose sum is σ = 264380727341484. Its totient is φ = 40673376694944.

The previous prime is 122021002121153. The next prime is 122021002121243. The reversal of 122021002121202 is 202121200120221.

It is a happy number.

122021002121202 is a `hidden beast` number, since 1 + 220 + 210 + 0 + 21 + 212 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77873229825561 + 44147772295641 = 8824581^2 + 6644379^2 .

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 11 ways as a sum of consecutive naturals, for example, 21627073 + ... + 26679060.

Almost surely, 2^{122021002121202} is an apocalyptic number.

122021002121202 is an abundant number, since it is smaller than the sum of its proper divisors (142359725220282).

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

122021002121202 is a wasteful number, since it uses less digits than its factorization.

122021002121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48446474 (or 48446471 counting only the distinct ones).

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

Adding to 122021002121202 its reverse (202121200120221), we get a palindrome (324142202241423).

The spelling of 122021002121202 in words is "one hundred twenty-two trillion, twenty-one billion, two million, one hundred twenty-one thousand, two hundred two".