2111122021113 has 24 divisors (see below), whose sum is σ = 3485755041600. Its totient is φ = 1206103366944.

The previous prime is 2111122021111. The next prime is 2111122021121. The reversal of 2111122021113 is 3111202211112.

It is a happy number.

2111122021113 is a `hidden beast` number, since 211 + 11 + 220 + 211 + 13 = 666.

It is not a de Polignac number, because 2111122021113 - 2¹ = 2111122021111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111122021111) 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, 3196923 + ... + 3800336.

It is an arithmetic number, because the mean of its divisors is an integer number (145239793400).

Almost surely, 2^{2111122021113} is an apocalyptic number.

It is an amenable number.

2111122021113 is a deficient number, since it is larger than the sum of its proper divisors (1374633020487).

2111122021113 is a wasteful number, since it uses less digits than its factorization.

2111122021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002061 (or 7002058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 2111122021113 its reverse (3111202211112), we get a palindrome (5222324232225).

The spelling of 2111122021113 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, twenty-one thousand, one hundred thirteen".