221102102220022 has 16 divisors (see below), whose sum is σ = 341124390533520. Its totient is φ = 107420614060032.

The previous prime is 221102102219959. The next prime is 221102102220089. The reversal of 221102102220022 is 220022201201122.

It is a super-2 number, since 2×221102102220022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6660487747 + ... + 6660520942.

It is an arithmetic number, because the mean of its divisors is an integer number (21320274408345).

Almost surely, 2^{221102102220022} is an apocalyptic number.

221102102220022 is a deficient number, since it is larger than the sum of its proper divisors (120022288313498).

221102102220022 is a wasteful number, since it uses less digits than its factorization.

221102102220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13321008927.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221102102220022 its reverse (220022201201122), we get a palindrome (441124303421144).

The spelling of 221102102220022 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred two million, two hundred twenty thousand, twenty-two".