120121112210 has 32 divisors (see below), whose sum is σ = 235937712384. Its totient is φ = 43668640000.

The previous prime is 120121112171. The next prime is 120121112233. The reversal of 120121112210 is 12211121021.

It is a super-2 number, since 2×120121112210² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268535 + ... + 558885.

It is an arithmetic number, because the mean of its divisors is an integer number (7373053512).

Almost surely, 2^120121112210 is an apocalyptic number.

120121112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121112210 is a deficient number, since it is larger than the sum of its proper divisors (115816600174).

120121112210 is a wasteful number, since it uses less digits than its factorization.

120121112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294130.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120121112210 its reverse (12211121021), we get a palindrome (132332233231).

The spelling of 120121112210 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, two hundred ten".