212222222211102 has 64 divisors (see below), whose sum is σ = 442868237752320. Its totient is φ = 67720607856000.

The previous prime is 212222222211023. The next prime is 212222222211157. The reversal of 212222222211102 is 201112222222212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16066924 + ... + 26126432.

It is an arithmetic number, because the mean of its divisors is an integer number (6919816214880).

Almost surely, 2^{212222222211102} is an apocalyptic number.

212222222211102 is an abundant number, since it is smaller than the sum of its proper divisors (230646015541218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212222222211102 is a wasteful number, since it uses less digits than its factorization.

212222222211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060769.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 212222222211102 its reverse (201112222222212), we get a palindrome (413334444433314).

The spelling of 212222222211102 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, one hundred two".