21222020222192 has 10 divisors (see below), whose sum is σ = 41117664180528. Its totient is φ = 10611010111088.

The previous prime is 21222020222173. The next prime is 21222020222209. The reversal of 21222020222192 is 29122202022212.

It is a super-2 number, since 2×21222020222192² (a number of 27 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 as a sum of consecutive naturals, namely, 663188131928 + ... + 663188131959.

Almost surely, 2^{21222020222192} is an apocalyptic number.

It is an amenable number.

21222020222192 is a deficient number, since it is larger than the sum of its proper divisors (19895643958336).

21222020222192 is a wasteful number, since it uses less digits than its factorization.

21222020222192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326376263895 (or 1326376263889 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 21222020222192 in words is "twenty-one trillion, two hundred twenty-two billion, twenty million, two hundred twenty-two thousand, one hundred ninety-two".