111020340130131 has 16 divisors (see below), whose sum is σ = 148696173964800. Its totient is φ = 73679435514240.

The previous prime is 111020340130129. The next prime is 111020340130171. The reversal of 111020340130131 is 131031043020111.

It is not a de Polignac number, because 111020340130131 - 2¹ = 111020340130129 is a prime.

It is a super-2 number, since 2×111020340130131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111020340130098 and 111020340130107.

It is not an unprimeable number, because it can be changed into a prime (111020340130121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49185750 + ... + 51393371.

It is an arithmetic number, because the mean of its divisors is an integer number (9293510872800).

Almost surely, 2^{111020340130131} is an apocalyptic number.

111020340130131 is a deficient number, since it is larger than the sum of its proper divisors (37675833834669).

111020340130131 is a wasteful number, since it uses less digits than its factorization.

111020340130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100580786.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 111020340130131 its reverse (131031043020111), we get a palindrome (242051383150242).

The spelling of 111020340130131 in words is "one hundred eleven trillion, twenty billion, three hundred forty million, one hundred thirty thousand, one hundred thirty-one".