212122110010022 has 4 divisors (see below), whose sum is σ = 318183165015036. Its totient is φ = 106061055005010.

The previous prime is 212122110009983. The next prime is 212122110010079. The reversal of 212122110010022 is 220010011221212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53030527502504 + ... + 53030527502507.

It is an arithmetic number, because the mean of its divisors is an integer number (79545791253759).

Almost surely, 2^{212122110010022} is an apocalyptic number.

212122110010022 is a deficient number, since it is larger than the sum of its proper divisors (106061055005014).

212122110010022 is a wasteful number, since it uses less digits than its factorization.

212122110010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106061055005013.

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

Adding to 212122110010022 its reverse (220010011221212), we get a palindrome (432132121231234).

The spelling of 212122110010022 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred ten million, ten thousand, twenty-two".