222121201022022 has 8 divisors (see below), whose sum is σ = 444242402044056. Its totient is φ = 74040400340672.

The previous prime is 222121201022011. The next prime is 222121201022027. The reversal of 222121201022022 is 220220102121222.

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

222121201022022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 222121201022022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121201022027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18510100085163 + ... + 18510100085174.

It is an arithmetic number, because the mean of its divisors is an integer number (55530300255507).

Almost surely, 2^{222121201022022} is an apocalyptic number.

222121201022022 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.

222121201022022 is a wasteful number, since it uses less digits than its factorization.

222121201022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37020200170342.

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

Adding to 222121201022022 its reverse (220220102121222), we get a palindrome (442341303143244).

The spelling of 222121201022022 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred one million, twenty-two thousand, twenty-two".