2101233111121 has 16 divisors (see below), whose sum is σ = 2298740093568. Its totient is φ = 1912988896000.

The previous prime is 2101233111113. The next prime is 2101233111149. The reversal of 2101233111121 is 1211113321012.

It is a cyclic number.

It is not a de Polignac number, because 2101233111121 - 2³ = 2101233111113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101233111161) 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, 16359355 + ... + 16487296.

It is an arithmetic number, because the mean of its divisors is an integer number (143671255848).

Almost surely, 2^{2101233111121} is an apocalyptic number.

It is an amenable number.

2101233111121 is a deficient number, since it is larger than the sum of its proper divisors (197506982447).

2101233111121 is a wasteful number, since it uses less digits than its factorization.

2101233111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32846792.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2101233111121 its reverse (1211113321012), we get a palindrome (3312346432133).

The spelling of 2101233111121 in words is "two trillion, one hundred one billion, two hundred thirty-three million, one hundred eleven thousand, one hundred twenty-one".