121220010020202 has 32 divisors (see below), whose sum is σ = 247604202024192. Its totient is φ = 39546013868544.

The previous prime is 121220010020177. The next prime is 121220010020251. The reversal of 121220010020202 is 202020010022121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6830238 + ... + 17002710.

It is an arithmetic number, because the mean of its divisors is an integer number (7737631313256).

Almost surely, 2^{121220010020202} is an apocalyptic number.

121220010020202 is an abundant number, since it is smaller than the sum of its proper divisors (126384192003990).

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

121220010020202 is a wasteful number, since it uses less digits than its factorization.

121220010020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10214782.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121220010020202 its reverse (202020010022121), we get a palindrome (323240020042323).

The spelling of 121220010020202 in words is "one hundred twenty-one trillion, two hundred twenty billion, ten million, twenty thousand, two hundred two".