221110010023 has 16 divisors (see below), whose sum is σ = 254645411904. Its totient is φ = 188062801920.

The previous prime is 221110010021. The next prime is 221110010113. The reversal of 221110010023 is 320010011122.

It is not a de Polignac number, because 221110010023 - 2¹ = 221110010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221110009985 and 221110010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110010021) 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, 2371911 + ... + 2463367.

It is an arithmetic number, because the mean of its divisors is an integer number (15915338244).

Almost surely, 2^221110010023 is an apocalyptic number.

221110010023 is a deficient number, since it is larger than the sum of its proper divisors (33535401881).

221110010023 is a wasteful number, since it uses less digits than its factorization.

221110010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94122.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221110010023 its reverse (320010011122), we get a palindrome (541120021145).

The spelling of 221110010023 in words is "two hundred twenty-one billion, one hundred ten million, ten thousand, twenty-three".