11020012332131 has 32 divisors (see below), whose sum is σ = 12406251187200. Its totient is φ = 9703538208000.

The previous prime is 11020012332127. The next prime is 11020012332157. The reversal of 11020012332131 is 13123321002011.

It is a happy number.

11020012332131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11020012332131 - 2² = 11020012332127 is a prime.

It is a super-2 number, since 2×11020012332131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020012332101) 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, 19816151 + ... + 20364671.

It is an arithmetic number, because the mean of its divisors is an integer number (387695349600).

Almost surely, 2^{11020012332131} is an apocalyptic number.

11020012332131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11020012332131 is a deficient number, since it is larger than the sum of its proper divisors (1386238855069).

11020012332131 is a wasteful number, since it uses less digits than its factorization.

11020012332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549051.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11020012332131 its reverse (13123321002011), we get a palindrome (24143333334142).

The spelling of 11020012332131 in words is "eleven trillion, twenty billion, twelve million, three hundred thirty-two thousand, one hundred thirty-one".