222111010221002 has 16 divisors (see below), whose sum is σ = 380764001161152. Its totient is φ = 95189865613440.

The previous prime is 222111010220989. The next prime is 222111010221019. The reversal of 222111010221002 is 200122010111222.

It is a super-2 number, since 2×222111010221002² (a number of 29 digits) contains 22 as substring.

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, 44840999 + ... + 49547322.

It is an arithmetic number, because the mean of its divisors is an integer number (23797750072572).

Almost surely, 2^{222111010221002} is an apocalyptic number.

222111010221002 is a deficient number, since it is larger than the sum of its proper divisors (158652990940150).

222111010221002 is a wasteful number, since it uses less digits than its factorization.

222111010221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94556413.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222111010221002 its reverse (200122010111222), we get a palindrome (422233020332224).

The spelling of 222111010221002 in words is "two hundred twenty-two trillion, one hundred eleven billion, ten million, two hundred twenty-one thousand, two".