222121210211102 has 16 divisors (see below), whose sum is σ = 334510986902400. Its totient is φ = 110617552551000.

The previous prime is 222121210210973. The next prime is 222121210211113. The reversal of 222121210211102 is 201112012121222.

It is a congruent number.

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, 104193599 + ... + 106304037.

It is an arithmetic number, because the mean of its divisors is an integer number (20906936681400).

Almost surely, 2^{222121210211102} is an apocalyptic number.

222121210211102 is a deficient number, since it is larger than the sum of its proper divisors (112389776691298).

222121210211102 is a wasteful number, since it uses less digits than its factorization.

222121210211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320351.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222121210211102 its reverse (201112012121222), we get a palindrome (423233222332324).

The spelling of 222121210211102 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred ten million, two hundred eleven thousand, one hundred two".