22101002221222 has 16 divisors (see below), whose sum is σ = 33353553300480. Its totient is φ = 10983165160968.

The previous prime is 22101002221159. The next prime is 22101002221241. The reversal of 22101002221222 is 22212220010122.

It is a self number, because there is not a number n which added to its sum of digits gives 22101002221222.

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, 352548 + ... + 6657799.

It is an arithmetic number, because the mean of its divisors is an integer number (2084597081280).

Almost surely, 2^{22101002221222} is an apocalyptic number.

22101002221222 is a deficient number, since it is larger than the sum of its proper divisors (11252551079258).

22101002221222 is a wasteful number, since it uses less digits than its factorization.

22101002221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019955.

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

Adding to 22101002221222 its reverse (22212220010122), we get a palindrome (44313222231344).

The spelling of 22101002221222 in words is "twenty-two trillion, one hundred one billion, two million, two hundred twenty-one thousand, two hundred twenty-two".