12222022101021 has 12 divisors (see below), whose sum is σ = 18307884958272. Its totient is φ = 8148014733852.

The previous prime is 12222022101011. The next prime is 12222022101059. The reversal of 12222022101021 is 12010122022221.

It is a happy number.

12222022101021 is a `hidden beast` number, since 1 + 222 + 202 + 210 + 10 + 21 = 666.

It is not a de Polignac number, because 12222022101021 - 2¹⁰ = 12222022099997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222022100985 and 12222022101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222022101011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25148193381 + ... + 25148193866.

It is an arithmetic number, because the mean of its divisors is an integer number (1525657079856).

Almost surely, 2^{12222022101021} is an apocalyptic number.

It is an amenable number.

12222022101021 is a deficient number, since it is larger than the sum of its proper divisors (6085862857251).

12222022101021 is an frugal number, since it uses more digits than its factorization.

12222022101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50296387262 (or 50296387250 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12222022101021 its reverse (12010122022221), we get a palindrome (24232144123242).

The spelling of 12222022101021 in words is "twelve trillion, two hundred twenty-two billion, twenty-two million, one hundred one thousand, twenty-one".