22021010022212 has 12 divisors (see below), whose sum is σ = 38553020936976. Its totient is φ = 11005861183080.

The previous prime is 22021010022173. The next prime is 22021010022233. The reversal of 22021010022212 is 21222001012022.

It is a happy number.

It is a super-2 number, since 2×22021010022212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160946338 + ... + 1160965305.

It is an arithmetic number, because the mean of its divisors is an integer number (3212751744748).

Almost surely, 2^{22021010022212} is an apocalyptic number.

It is an amenable number.

22021010022212 is a deficient number, since it is larger than the sum of its proper divisors (16532010914764).

22021010022212 is a wasteful number, since it uses less digits than its factorization.

22021010022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321914018 (or 2321914016 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22021010022212 its reverse (21222001012022), we get a palindrome (43243011034234).

The spelling of 22021010022212 in words is "twenty-two trillion, twenty-one billion, ten million, twenty-two thousand, two hundred twelve".