120111111310310 has 16 divisors (see below), whose sum is σ = 222043243612176. Its totient is φ = 46745946023328.

The previous prime is 120111111310303. The next prime is 120111111310321. The reversal of 120111111310310 is 13013111111021.

It is a happy number.

It is a super-2 number, since 2×120111111310310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162312312212 + ... + 162312312951.

It is an arithmetic number, because the mean of its divisors is an integer number (13877702725761).

Almost surely, 2^{120111111310310} is an apocalyptic number.

120111111310310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120111111310310 is a deficient number, since it is larger than the sum of its proper divisors (101932132301866).

120111111310310 is a wasteful number, since it uses less digits than its factorization.

120111111310310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324624625207.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 120111111310310 its reverse (13013111111021), we get a palindrome (133124222421331).

The spelling of 120111111310310 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred eleven million, three hundred ten thousand, three hundred ten".