2120111120012 has 48 divisors (see below), whose sum is σ = 3788214393600. Its totient is φ = 1037851289280.

The previous prime is 2120111120011. The next prime is 2120111120033. The reversal of 2120111120012 is 2100211110212.

It is a super-2 number, since 2×2120111120012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120111120011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239854289 + ... + 239863127.

It is an arithmetic number, because the mean of its divisors is an integer number (78921133200).

Almost surely, 2^{2120111120012} is an apocalyptic number.

It is an amenable number.

2120111120012 is a deficient number, since it is larger than the sum of its proper divisors (1668103273588).

2120111120012 is a wasteful number, since it uses less digits than its factorization.

2120111120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166 (or 11164 counting only the distinct ones).

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

Adding to 2120111120012 its reverse (2100211110212), we get a palindrome (4220322230224).

The spelling of 2120111120012 in words is "two trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty thousand, twelve".