212001122110022 has 64 divisors (see below), whose sum is σ = 387171105914880. Its totient is φ = 84988245520896.

The previous prime is 212001122110021. The next prime is 212001122110033. The reversal of 212001122110022 is 220011221100212.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001122110021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266656448 + ... + 267450300.

It is an arithmetic number, because the mean of its divisors is an integer number (6049548529920).

Almost surely, 2^{212001122110022} is an apocalyptic number.

212001122110022 is a deficient number, since it is larger than the sum of its proper divisors (175169983804858).

212001122110022 is a wasteful number, since it uses less digits than its factorization.

212001122110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800765.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212001122110022 its reverse (220011221100212), we get a palindrome (432012343210234).

The spelling of 212001122110022 in words is "two hundred twelve trillion, one billion, one hundred twenty-two million, one hundred ten thousand, twenty-two".