121220110122202 has 32 divisors (see below), whose sum is σ = 224414345836800. Its totient is φ = 47821628406528.

The previous prime is 121220110122197. The next prime is 121220110122203. The reversal of 121220110122202 is 202221011022121.

It is a self number, because there is not a number n which added to its sum of digits gives 121220110122202.

It is not an unprimeable number, because it can be changed into a prime (121220110122203) 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, 927573327 + ... + 927704002.

It is an arithmetic number, because the mean of its divisors is an integer number (7012948307400).

Almost surely, 2^{121220110122202} is an apocalyptic number.

121220110122202 is a deficient number, since it is larger than the sum of its proper divisors (103194235714598).

121220110122202 is a wasteful number, since it uses less digits than its factorization.

121220110122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855277710.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121220110122202 its reverse (202221011022121), we get a palindrome (323441121144323).

The spelling of 121220110122202 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred ten million, one hundred twenty-two thousand, two hundred two".