222221001020102 has 48 divisors (see below), whose sum is σ = 388446639280128. Its totient is φ = 95067209820240.

The previous prime is 222221001020093. The next prime is 222221001020111. The reversal of 222221001020102 is 201020100122222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222221001020093) and next prime (222221001020111).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1940957903 + ... + 1941072389.

It is an arithmetic number, because the mean of its divisors is an integer number (8092638318336).

Almost surely, 2^{222221001020102} is an apocalyptic number.

222221001020102 is a deficient number, since it is larger than the sum of its proper divisors (166225638260026).

222221001020102 is a wasteful number, since it uses less digits than its factorization.

222221001020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149761 (or 149754 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222221001020102 its reverse (201020100122222), we get a palindrome (423241101142324).

The spelling of 222221001020102 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one million, twenty thousand, one hundred two".