11131032121131 has 32 divisors (see below), whose sum is σ = 16861703040000. Its totient is φ = 6474893580288.

The previous prime is 11131032121129. The next prime is 11131032121177. The reversal of 11131032121131 is 13112123013111.

It is not a de Polignac number, because 11131032121131 - 2¹ = 11131032121129 is a prime.

It is a super-2 number, since 2×11131032121131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11131032121098 and 11131032121107.

It is not an unprimeable number, because it can be changed into a prime (11131036121131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16395171 + ... + 17060588.

It is an arithmetic number, because the mean of its divisors is an integer number (526928220000).

Almost surely, 2^{11131032121131} is an apocalyptic number.

11131032121131 is a deficient number, since it is larger than the sum of its proper divisors (5730670918869).

11131032121131 is a wasteful number, since it uses less digits than its factorization.

11131032121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33456243.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 11131032121131 its reverse (13112123013111), we get a palindrome (24243155134242).

The spelling of 11131032121131 in words is "eleven trillion, one hundred thirty-one billion, thirty-two million, one hundred twenty-one thousand, one hundred thirty-one".