221102110022 has 4 divisors (see below), whose sum is σ = 331653165036. Its totient is φ = 110551055010.

The previous prime is 221102109989. The next prime is 221102110027. The reversal of 221102110022 is 220011201122.

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

It is a super-2 number, since 2×221102110022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221102109979 and 221102110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102110027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55275527504 + ... + 55275527507.

It is an arithmetic number, because the mean of its divisors is an integer number (82913291259).

Almost surely, 2^221102110022 is an apocalyptic number.

221102110022 is a deficient number, since it is larger than the sum of its proper divisors (110551055014).

221102110022 is a wasteful number, since it uses less digits than its factorization.

221102110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110551055013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221102110022 its reverse (220011201122), we get a palindrome (441113311144).

The spelling of 221102110022 in words is "two hundred twenty-one billion, one hundred two million, one hundred ten thousand, twenty-two".