222221012122002 has 8 divisors (see below), whose sum is σ = 444442024244016. Its totient is φ = 74073670707332.

The previous prime is 222221012121947. The next prime is 222221012122033. The reversal of 222221012122002 is 200221210122222.

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

222221012122002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 222221012122002.

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, 18518417676828 + ... + 18518417676839.

It is an arithmetic number, because the mean of its divisors is an integer number (55555253030502).

Almost surely, 2^{222221012122002} is an apocalyptic number.

222221012122002 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.

222221012122002 is a wasteful number, since it uses less digits than its factorization.

222221012122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37036835353672.

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

Adding to 222221012122002 its reverse (200221210122222), we get a palindrome (422442222244224).

The spelling of 222221012122002 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twelve million, one hundred twenty-two thousand, two".