222220111221002 has 16 divisors (see below), whose sum is σ = 336400216214400. Its totient is φ = 110090488995600.

The previous prime is 222220111220951. The next prime is 222220111221047. The reversal of 222220111221002 is 200122111022222.

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, 945677102 + ... + 945912057.

It is an arithmetic number, because the mean of its divisors is an integer number (21025013513400).

Almost surely, 2^{222220111221002} is an apocalyptic number.

222220111221002 is a deficient number, since it is larger than the sum of its proper divisors (114180104993398).

222220111221002 is a wasteful number, since it uses less digits than its factorization.

222220111221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891589701.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222220111221002 its reverse (200122111022222), we get a palindrome (422342222243224).

The spelling of 222220111221002 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, two".