120111111220210 has 64 divisors (see below), whose sum is σ = 236144881094400. Its totient is φ = 43623024076800.

The previous prime is 120111111220181. The next prime is 120111111220229. The reversal of 120111111220210 is 12022111111021.

It is a super-3 number, since 3×120111111220210³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440915326 + ... + 441187654.

It is an arithmetic number, because the mean of its divisors is an integer number (3689763767100).

Almost surely, 2^{120111111220210} is an apocalyptic number.

120111111220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120111111220210 is a deficient number, since it is larger than the sum of its proper divisors (116033769874190).

120111111220210 is a wasteful number, since it uses less digits than its factorization.

120111111220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277267.

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

Adding to 120111111220210 its reverse (12022111111021), we get a palindrome (132133222331231).

The spelling of 120111111220210 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred eleven million, two hundred twenty thousand, two hundred ten".