212022010010121 has 4 divisors (see below), whose sum is σ = 282696013346832. Its totient is φ = 141348006673412.

The previous prime is 212022010010119. The next prime is 212022010010131. The reversal of 212022010010121 is 121010010220212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212022010010121 - 2¹ = 212022010010119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212022010010121.

It is not an unprimeable number, because it can be changed into a prime (212022010010131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35337001668351 + ... + 35337001668356.

It is an arithmetic number, because the mean of its divisors is an integer number (70674003336708).

Almost surely, 2^{212022010010121} is an apocalyptic number.

It is an amenable number.

212022010010121 is a deficient number, since it is larger than the sum of its proper divisors (70674003336711).

212022010010121 is an equidigital number, since it uses as much as digits as its factorization.

212022010010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70674003336710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212022010010121 its reverse (121010010220212), we get a palindrome (333032020230333).

The spelling of 212022010010121 in words is "two hundred twelve trillion, twenty-two billion, ten million, ten thousand, one hundred twenty-one".