2211211100131 has 16 divisors (see below), whose sum is σ = 2439297514080. Its totient is φ = 1987673287680.

The previous prime is 2211211100129. The next prime is 2211211100143. The reversal of 2211211100131 is 1310011121122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211211100131 - 2¹ = 2211211100129 is a prime.

It is a super-2 number, since 2×2211211100131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211211160131) 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, 248965 + ... + 2117641.

It is an arithmetic number, because the mean of its divisors is an integer number (152456094630).

Almost surely, 2^{2211211100131} is an apocalyptic number.

2211211100131 is a deficient number, since it is larger than the sum of its proper divisors (228086413949).

2211211100131 is a wasteful number, since it uses less digits than its factorization.

2211211100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869894.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2211211100131 its reverse (1310011121122), we get a palindrome (3521222221253).

The spelling of 2211211100131 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred thousand, one hundred thirty-one".