121010312212110 has 48 divisors (see below), whose sum is σ = 316738401127200. Its totient is φ = 32052843320640.

The previous prime is 121010312212099. The next prime is 121010312212123. The reversal of 121010312212110 is 11212213010121.

It is a happy number.

121010312212110 is a `hidden beast` number, since 1 + 21 + 0 + 10 + 312 + 212 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4511929626 + ... + 4511956445.

It is an arithmetic number, because the mean of its divisors is an integer number (6598716690150).

Almost surely, 2^{121010312212110} is an apocalyptic number.

121010312212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010312212110 is an abundant number, since it is smaller than the sum of its proper divisors (195728088915090).

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

121010312212110 is a wasteful number, since it uses less digits than its factorization.

121010312212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023886233 (or 9023886230 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121010312212110 its reverse (11212213010121), we get a palindrome (132222525222231).

The spelling of 121010312212110 in words is "one hundred twenty-one trillion, ten billion, three hundred twelve million, two hundred twelve thousand, one hundred ten".