111201110221023 has 24 divisors (see below), whose sum is σ = 164965936875168. Its totient is φ = 72130044756672.

The previous prime is 111201110221021. The next prime is 111201110221039. The reversal of 111201110221023 is 320122011102111.

It is a happy number.

111201110221023 is a `hidden beast` number, since 111 + 201 + 110 + 221 + 0 + 23 = 666.

It is not a de Polignac number, because 111201110221023 - 2¹ = 111201110221021 is a prime.

It is a super-2 number, since 2×111201110221023² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111201110220987 and 111201110221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201110221021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65497765 + ... + 67174097.

It is an arithmetic number, because the mean of its divisors is an integer number (6873580703132).

Almost surely, 2^{111201110221023} is an apocalyptic number.

111201110221023 is a deficient number, since it is larger than the sum of its proper divisors (53764826654145).

111201110221023 is a wasteful number, since it uses less digits than its factorization.

111201110221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875583 (or 1875580 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111201110221023 its reverse (320122011102111), we get a palindrome (431323121323134).

The spelling of 111201110221023 in words is "one hundred eleven trillion, two hundred one billion, one hundred ten million, two hundred twenty-one thousand, twenty-three".