2122012130111 has 4 divisors (see below), whose sum is σ = 2123911873512. Its totient is φ = 2120112386712.

The previous prime is 2122012130101. The next prime is 2122012130159. The reversal of 2122012130111 is 1110312102212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122012130111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122012130111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122012130101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949870025 + ... + 949872258.

It is an arithmetic number, because the mean of its divisors is an integer number (530977968378).

Almost surely, 2^{2122012130111} is an apocalyptic number.

2122012130111 is a deficient number, since it is larger than the sum of its proper divisors (1899743401).

2122012130111 is a wasteful number, since it uses less digits than its factorization.

2122012130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899743400.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2122012130111 its reverse (1110312102212), we get a palindrome (3232324232323).

The spelling of 2122012130111 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred thirty thousand, one hundred eleven".