121110110202 has 32 divisors (see below), whose sum is σ = 245528133120. Its totient is φ = 39821691200.

The previous prime is 121110110197. The next prime is 121110110263. The reversal of 121110110202 is 202011011121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208458 + ... + 534485.

It is an arithmetic number, because the mean of its divisors is an integer number (7672754160).

Almost surely, 2^121110110202 is an apocalyptic number.

121110110202 is an abundant number, since it is smaller than the sum of its proper divisors (124418022918).

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

121110110202 is a wasteful number, since it uses less digits than its factorization.

121110110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743318.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121110110202 its reverse (202011011121), we get a palindrome (323121121323).

The spelling of 121110110202 in words is "one hundred twenty-one billion, one hundred ten million, one hundred ten thousand, two hundred two".