2101122211023 has 48 divisors (see below), whose sum is σ = 3433800988800. Its totient is φ = 1273289712480.

The previous prime is 2101122210989. The next prime is 2101122211037. The reversal of 2101122211023 is 3201122211012.

It is not a de Polignac number, because 2101122211023 - 2⁶ = 2101122210959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101122210987 and 2101122211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101122211093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35331408 + ... + 35390826.

It is an arithmetic number, because the mean of its divisors is an integer number (71537520600).

Almost surely, 2^{2101122211023} is an apocalyptic number.

2101122211023 is a deficient number, since it is larger than the sum of its proper divisors (1332678777777).

2101122211023 is a wasteful number, since it uses less digits than its factorization.

2101122211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72674 (or 72662 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2101122211023 its reverse (3201122211012), we get a palindrome (5302244422035).

The spelling of 2101122211023 in words is "two trillion, one hundred one billion, one hundred twenty-two million, two hundred eleven thousand, twenty-three".