121202120120110 has 32 divisors (see below), whose sum is σ = 230218806074400. Its totient is φ = 45814687718400.

The previous prime is 121202120120077. The next prime is 121202120120117. The reversal of 121202120120110 is 11021021202121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202120120117) 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, 795317695 + ... + 795470074.

It is an arithmetic number, because the mean of its divisors is an integer number (7194337689825).

Almost surely, 2^{121202120120110} is an apocalyptic number.

121202120120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121202120120110 is a deficient number, since it is larger than the sum of its proper divisors (109016685954290).

121202120120110 is a wasteful number, since it uses less digits than its factorization.

121202120120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590788196.

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

Adding to 121202120120110 its reverse (11021021202121), we get a palindrome (132223141322231).

The spelling of 121202120120110 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred twenty million, one hundred twenty thousand, one hundred ten".