2101001223131 has 16 divisors (see below), whose sum is σ = 2301797671200. Its totient is φ = 1908812978688.

The previous prime is 2101001223119. The next prime is 2101001223149. The reversal of 2101001223131 is 1313221001012.

It is a cyclic number.

It is not a de Polignac number, because 2101001223131 - 2²² = 2100997028827 is a prime.

It is a super-2 number, since 2×2101001223131² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101001223331) 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, 1830065 + ... + 2747933.

It is an arithmetic number, because the mean of its divisors is an integer number (143862354450).

Almost surely, 2^{2101001223131} is an apocalyptic number.

2101001223131 is a deficient number, since it is larger than the sum of its proper divisors (200796448069).

2101001223131 is a wasteful number, since it uses less digits than its factorization.

2101001223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922558.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2101001223131 its reverse (1313221001012), we get a palindrome (3414222224143).

The spelling of 2101001223131 in words is "two trillion, one hundred one billion, one million, two hundred twenty-three thousand, one hundred thirty-one".