212120201121022 has 32 divisors (see below), whose sum is σ = 319114100378304. Its totient is φ = 105749306956800.

The previous prime is 212120201121011. The next prime is 212120201121029. The reversal of 212120201121022 is 220121102021212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120201121029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5500880622 + ... + 5500919182.

It is an arithmetic number, because the mean of its divisors is an integer number (9972315636822).

Almost surely, 2^{212120201121022} is an apocalyptic number.

212120201121022 is a deficient number, since it is larger than the sum of its proper divisors (106993899257282).

212120201121022 is a wasteful number, since it uses less digits than its factorization.

212120201121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44484.

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

Adding to 212120201121022 its reverse (220121102021212), we get a palindrome (432241303142234).

The spelling of 212120201121022 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred one million, one hundred twenty-one thousand, twenty-two".