121002201122110 has 128 divisors (see below), whose sum is σ = 274107645886464. Its totient is φ = 37359493868160.

The previous prime is 121002201122093. The next prime is 121002201122111. The reversal of 121002201122110 is 11221102200121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002201122111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1165189849 + ... + 1165293691.

It is an arithmetic number, because the mean of its divisors is an integer number (2141465983488).

Almost surely, 2^{121002201122110} is an apocalyptic number.

121002201122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002201122110 is an abundant number, since it is smaller than the sum of its proper divisors (153105444764354).

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

121002201122110 is a wasteful number, since it uses less digits than its factorization.

121002201122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118118.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121002201122110 its reverse (11221102200121), we get a palindrome (132223303322231).

The spelling of 121002201122110 in words is "one hundred twenty-one trillion, two billion, two hundred one million, one hundred twenty-two thousand, one hundred ten".