11131002121131 has 6 divisors (see below), whose sum is σ = 16078114174980. Its totient is φ = 7420668080748.

The previous prime is 11131002121091. The next prime is 11131002121163. The reversal of 11131002121131 is 13112120013111.

11131002121131 is a `hidden beast` number, since 1 + 11 + 310 + 0 + 212 + 1 + 131 = 666.

It is not a de Polignac number, because 11131002121131 - 2¹⁹ = 11131001596843 is a prime.

It is a super-2 number, since 2×11131002121131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11131002121181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618389006721 + ... + 618389006738.

It is an arithmetic number, because the mean of its divisors is an integer number (2679685695830).

Almost surely, 2^{11131002121131} is an apocalyptic number.

11131002121131 is a deficient number, since it is larger than the sum of its proper divisors (4947112053849).

11131002121131 is a wasteful number, since it uses less digits than its factorization.

11131002121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236778013465 (or 1236778013462 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 11131002121131 its reverse (13112120013111), we get a palindrome (24243122134242).

The spelling of 11131002121131 in words is "eleven trillion, one hundred thirty-one billion, two million, one hundred twenty-one thousand, one hundred thirty-one".