22121121201022 has 16 divisors (see below), whose sum is σ = 33827217912000. Its totient is φ = 10847261187360.

The previous prime is 22121121200989. The next prime is 22121121201031. The reversal of 22121121201022 is 22010212112122.

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, 469798929 + ... + 469846012.

It is an arithmetic number, because the mean of its divisors is an integer number (2114201119500).

Almost surely, 2^{22121121201022} is an apocalyptic number.

22121121201022 is a deficient number, since it is larger than the sum of its proper divisors (11706096710978).

22121121201022 is a wasteful number, since it uses less digits than its factorization.

22121121201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939645171.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22121121201022 its reverse (22010212112122), we get a palindrome (44131333313144).

The spelling of 22121121201022 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred one thousand, twenty-two".