2111113003121 has 4 divisors (see below), whose sum is σ = 2111135385072. Its totient is φ = 2111090621172.

The previous prime is 2111113003117. The next prime is 2111113003123. The reversal of 2111113003121 is 1213003111112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111113003121 - 2² = 2111113003117 is a prime.

It is a super-3 number, since 3×2111113003121³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 2111113003121.

It is not an unprimeable number, because it can be changed into a prime (2111113003123) 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, 11048891 + ... + 11238336.

It is an arithmetic number, because the mean of its divisors is an integer number (527783846268).

Almost surely, 2^{2111113003121} is an apocalyptic number.

It is an amenable number.

2111113003121 is a deficient number, since it is larger than the sum of its proper divisors (22381951).

2111113003121 is an equidigital number, since it uses as much as digits as its factorization.

2111113003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22381950.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 2111113003121 its reverse (1213003111112), we get a palindrome (3324116114233).

The spelling of 2111113003121 in words is "two trillion, one hundred eleven billion, one hundred thirteen million, three thousand, one hundred twenty-one".