202220001000121 has 16 divisors (see below), whose sum is σ = 229367655345024. Its totient is φ = 176880083364864.

The previous prime is 202220001000013. The next prime is 202220001000139. The reversal of 202220001000121 is 121000100022202.

It is a happy number.

It is not a de Polignac number, because 202220001000121 - 2³⁹ = 201670245186233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220001003121) 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, 3160346856 + ... + 3160410841.

It is an arithmetic number, because the mean of its divisors is an integer number (14335478459064).

Almost surely, 2^{202220001000121} is an apocalyptic number.

It is an amenable number.

202220001000121 is a deficient number, since it is larger than the sum of its proper divisors (27147654344903).

202220001000121 is a wasteful number, since it uses less digits than its factorization.

202220001000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320757840.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202220001000121 its reverse (121000100022202), we get a palindrome (323220101022323).

The spelling of 202220001000121 in words is "two hundred two trillion, two hundred twenty billion, one million, one hundred twenty-one", and thus it is an aban number.