111031230223202 has 4 divisors (see below), whose sum is σ = 166546845334806. Its totient is φ = 55515615111600.

The previous prime is 111031230223201. The next prime is 111031230223213. The reversal of 111031230223202 is 202322032130111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79306523187241 + 31724707035961 = 8905421^2 + 5632469^2 .

It is a super-3 number, since 3×111031230223202³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (111031230223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27757807555799 + ... + 27757807555802.

Almost surely, 2^{111031230223202} is an apocalyptic number.

111031230223202 is a deficient number, since it is larger than the sum of its proper divisors (55515615111604).

111031230223202 is an equidigital number, since it uses as much as digits as its factorization.

111031230223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55515615111603.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 111031230223202 its reverse (202322032130111), we get a palindrome (313353262353313).

The spelling of 111031230223202 in words is "one hundred eleven trillion, thirty-one billion, two hundred thirty million, two hundred twenty-three thousand, two hundred two".