121123200331110 has 64 divisors (see below), whose sum is σ = 291781425355200. Its totient is φ = 32178885998592.

The previous prime is 121123200331097. The next prime is 121123200331169. The reversal of 121123200331110 is 11133002321121.

It is a super-2 number, since 2×121123200331110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 683416186 + ... + 683593394.

It is an arithmetic number, because the mean of its divisors is an integer number (4559084771175).

Almost surely, 2^{121123200331110} is an apocalyptic number.

121123200331110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123200331110 is an abundant number, since it is smaller than the sum of its proper divisors (170658225024090).

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

121123200331110 is a wasteful number, since it uses less digits than its factorization.

121123200331110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262185.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121123200331110 its reverse (11133002321121), we get a palindrome (132256202652231).

The spelling of 121123200331110 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, two hundred million, three hundred thirty-one thousand, one hundred ten".