2211312001131 has 12 divisors (see below), whose sum is σ = 3194789700960. Its totient is φ = 1473897678000.

The previous prime is 2211312001079. The next prime is 2211312001183. The reversal of 2211312001131 is 1311002131122.

2211312001131 is a `hidden beast` number, since 221 + 1 + 312 + 0 + 0 + 1 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (2211312001079) and next prime (2211312001183).

It is not a de Polignac number, because 2211312001131 - 2¹⁴ = 2211311984747 is a prime.

It is a super-2 number, since 2×2211312001131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211312001831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25815096 + ... + 25900613.

It is an arithmetic number, because the mean of its divisors is an integer number (266232475080).

Almost surely, 2^{2211312001131} is an apocalyptic number.

2211312001131 is a deficient number, since it is larger than the sum of its proper divisors (983477699829).

2211312001131 is a wasteful number, since it uses less digits than its factorization.

2211312001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51720466 (or 51720463 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2211312001131 its reverse (1311002131122), we get a palindrome (3522314132253).

The spelling of 2211312001131 in words is "two trillion, two hundred eleven billion, three hundred twelve million, one thousand, one hundred thirty-one".