111321011230131 has 16 divisors (see below), whose sum is σ = 157211478720000. Its totient is φ = 69825186949248.

The previous prime is 111321011230103. The next prime is 111321011230139. The reversal of 111321011230131 is 131032110123111.

It is not a de Polignac number, because 111321011230131 - 2¹⁰ = 111321011229107 is a prime.

It is a super-2 number, since 2×111321011230131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111321011230098 and 111321011230107.

It is not an unprimeable number, because it can be changed into a prime (111321011230139) 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, 363762511 + ... + 364068408.

It is an arithmetic number, because the mean of its divisors is an integer number (9825717420000).

Almost surely, 2^{111321011230131} is an apocalyptic number.

111321011230131 is a deficient number, since it is larger than the sum of its proper divisors (45890467489869).

111321011230131 is a wasteful number, since it uses less digits than its factorization.

111321011230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727833938.

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

Adding to 111321011230131 its reverse (131032110123111), we get a palindrome (242353121353242).

The spelling of 111321011230131 in words is "one hundred eleven trillion, three hundred twenty-one billion, eleven million, two hundred thirty thousand, one hundred thirty-one".