1131022201311 has 12 divisors (see below), whose sum is σ = 1677852755592. Its totient is φ = 733636022256.

The previous prime is 1131022201303. The next prime is 1131022201333.

1131022201311 is a `hidden beast` number, since 1 + 1 + 310 + 2 + 220 + 131 + 1 = 666.

1131022201311 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1131022201311 - 2³ = 1131022201303 is a prime.

It is a super-2 number, since 2×1131022201311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131022201381) 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, 1698231201 + ... + 1698231866.

It is an arithmetic number, because the mean of its divisors is an integer number (139821062966).

Almost surely, 2^{1131022201311} is an apocalyptic number.

1131022201311 is a deficient number, since it is larger than the sum of its proper divisors (546830554281).

1131022201311 is a wasteful number, since it uses less digits than its factorization.

1131022201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396463110 (or 3396463107 counting only the distinct ones).

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

The spelling of 1131022201311 in words is "one trillion, one hundred thirty-one billion, twenty-two million, two hundred one thousand, three hundred eleven".