222102021002 has 16 divisors (see below), whose sum is σ = 333413131272. Its totient is φ = 110964349440.

The previous prime is 222102020993. The next prime is 222102021019. The reversal of 222102021002 is 200120201222.

It can be written as a sum of positive squares in 4 ways, for example, as 216298476241 + 5803544761 = 465079^2 + 76181^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16213268 + ... + 16226960.

Almost surely, 2^222102021002 is an apocalyptic number.

222102021002 is a deficient number, since it is larger than the sum of its proper divisors (111311110270).

222102021002 is a wasteful number, since it uses less digits than its factorization.

222102021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19433.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222102021002 its reverse (200120201222), we get a palindrome (422222222224).

The spelling of 222102021002 in words is "two hundred twenty-two billion, one hundred two million, twenty-one thousand, two".