111020231313201 has 64 divisors (see below), whose sum is σ = 179316665740800. Its totient is φ = 59644511109120.

The previous prime is 111020231313197. The next prime is 111020231313209. The reversal of 111020231313201 is 102313132020111.

It is not a de Polignac number, because 111020231313201 - 2² = 111020231313197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (111020231313209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6374236645 + ... + 6374254061.

It is an arithmetic number, because the mean of its divisors is an integer number (2801822902200).

Almost surely, 2^{111020231313201} is an apocalyptic number.

It is an amenable number.

111020231313201 is a deficient number, since it is larger than the sum of its proper divisors (68296434427599).

111020231313201 is a wasteful number, since it uses less digits than its factorization.

111020231313201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35514.

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

Adding to 111020231313201 its reverse (102313132020111), we get a palindrome (213333363333312).

The spelling of 111020231313201 in words is "one hundred eleven trillion, twenty billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred one".