2120012120111 has 24 divisors (see below), whose sum is σ = 2296662745248. Its totient is φ = 1955945880000.

The previous prime is 2120012120089. The next prime is 2120012120113. The reversal of 2120012120111 is 1110212100212.

It is not a de Polignac number, because 2120012120111 - 2¹⁰ = 2120012119087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120012120113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1747526 + ... + 2700716.

It is an arithmetic number, because the mean of its divisors is an integer number (95694281052).

Almost surely, 2^{2120012120111} is an apocalyptic number.

2120012120111 is a deficient number, since it is larger than the sum of its proper divisors (176650625137).

2120012120111 is a wasteful number, since it uses less digits than its factorization.

2120012120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953391 (or 953372 counting only the distinct ones).

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

Adding to 2120012120111 its reverse (1110212100212), we get a palindrome (3230224220323).

The spelling of 2120012120111 in words is "two trillion, one hundred twenty billion, twelve million, one hundred twenty thousand, one hundred eleven".