22001221110002 has 16 divisors (see below), whose sum is σ = 34098092361792. Its totient is φ = 10641037046640.

The previous prime is 22001221109993. The next prime is 22001221110059. The reversal of 22001221110002 is 20001112210022.

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, 1461673388 + ... + 1461688439.

It is an arithmetic number, because the mean of its divisors is an integer number (2131130772612).

Almost surely, 2^{22001221110002} is an apocalyptic number.

22001221110002 is a deficient number, since it is larger than the sum of its proper divisors (12096871251790).

22001221110002 is a wasteful number, since it uses less digits than its factorization.

22001221110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923361953.

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

Adding to 22001221110002 its reverse (20001112210022), we get a palindrome (42002333320024).

The spelling of 22001221110002 in words is "twenty-two trillion, one billion, two hundred twenty-one million, one hundred ten thousand, two".