121112120010 has 32 divisors (see below), whose sum is σ = 332193244032. Its totient is φ = 27682770240.

The previous prime is 121112119951. The next prime is 121112120021. The reversal of 121112120010 is 10021211121.

It is a super-2 number, since 2×121112120010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288361981 + ... + 288362400.

It is an arithmetic number, because the mean of its divisors is an integer number (10381038876).

Almost surely, 2^121112120010 is an apocalyptic number.

121112120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112120010 is an abundant number, since it is smaller than the sum of its proper divisors (211081124022).

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

121112120010 is a wasteful number, since it uses less digits than its factorization.

121112120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576724398.

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

Adding to 121112120010 its reverse (10021211121), we get a palindrome (131133331131).

The spelling of 121112120010 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, ten".