221310011132023 has 6 divisors (see below), whose sum is σ = 243258111409712. Its totient is φ = 201190919210820.

The previous prime is 221310011132017. The next prime is 221310011132027. The reversal of 221310011132023 is 320231110013122.

It is a de Polignac number, because none of the positive numbers 2^k-221310011132023 is a prime.

It is a super-2 number, since 2×221310011132023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221310011131985 and 221310011132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221310011132027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 914504178111 + ... + 914504178352.

Almost surely, 2^{221310011132023} is an apocalyptic number.

221310011132023 is a deficient number, since it is larger than the sum of its proper divisors (21948100277689).

221310011132023 is a wasteful number, since it uses less digits than its factorization.

221310011132023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829008356485 (or 1829008356474 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221310011132023 its reverse (320231110013122), we get a palindrome (541541121145145).

The spelling of 221310011132023 in words is "two hundred twenty-one trillion, three hundred ten billion, eleven million, one hundred thirty-two thousand, twenty-three".