222121120202022 has 8 divisors (see below), whose sum is σ = 444242240404056. Its totient is φ = 74040373400672.

The previous prime is 222121120202011. The next prime is 222121120202083. The reversal of 222121120202022 is 220202021121222.

222121120202022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

222121120202022 is an admirable number.

It is a super-2 number, since 2×222121120202022² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222121120202022.

It is a congruent number.

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, 18510093350163 + ... + 18510093350174.

It is an arithmetic number, because the mean of its divisors is an integer number (55530280050507).

Almost surely, 2^{222121120202022} is an apocalyptic number.

222121120202022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222121120202022 is a wasteful number, since it uses less digits than its factorization.

222121120202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37020186700342.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222121120202022 its reverse (220202021121222), we get a palindrome (442323141323244).

The spelling of 222121120202022 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred two thousand, twenty-two".