2211203103131 has 48 divisors (see below), whose sum is σ = 2484075686400. Its totient is φ = 1966484520000.

The previous prime is 2211203103101. The next prime is 2211203103133. The reversal of 2211203103131 is 1313013021122.

It is a happy number.

It is not a de Polignac number, because 2211203103131 - 2³⁸ = 1936325196187 is a prime.

It is a super-2 number, since 2×2211203103131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211203103133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 382624400 + ... + 382630178.

It is an arithmetic number, because the mean of its divisors is an integer number (51751576800).

Almost surely, 2^{2211203103131} is an apocalyptic number.

2211203103131 is a deficient number, since it is larger than the sum of its proper divisors (272872583269).

2211203103131 is a wasteful number, since it uses less digits than its factorization.

2211203103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272 (or 6261 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2211203103131 its reverse (1313013021122), we get a palindrome (3524216124253).

The spelling of 2211203103131 in words is "two trillion, two hundred eleven billion, two hundred three million, one hundred three thousand, one hundred thirty-one".