212200111221022 has 16 divisors (see below), whose sum is σ = 336281907735360. Its totient is φ = 100261828044448.

The previous prime is 212200111221001. The next prime is 212200111221023. The reversal of 212200111221022 is 220122111002212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200111221023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38921514373 + ... + 38921519824.

It is an arithmetic number, because the mean of its divisors is an integer number (21017619233460).

Almost surely, 2^{212200111221022} is an apocalyptic number.

212200111221022 is a deficient number, since it is larger than the sum of its proper divisors (124081796514338).

212200111221022 is a wasteful number, since it uses less digits than its factorization.

212200111221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77843034275.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212200111221022 its reverse (220122111002212), we get a palindrome (432322222223234).

The spelling of 212200111221022 in words is "two hundred twelve trillion, two hundred billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".