212112210022001 has 8 divisors (see below), whose sum is σ = 213783406531584. Its totient is φ = 210441029475600.

The previous prime is 212112210021989. The next prime is 212112210022033. The reversal of 212112210022001 is 100220012211212.

212112210022001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212112210022001 - 2⁶ = 212112210021937 is a prime.

It is a super-2 number, since 2×212112210022001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112210022061) 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, 23428271 + ... + 31194683.

It is an arithmetic number, because the mean of its divisors is an integer number (26722925816448).

Almost surely, 2^{212112210022001} is an apocalyptic number.

It is an amenable number.

212112210022001 is a deficient number, since it is larger than the sum of its proper divisors (1671196509583).

212112210022001 is a wasteful number, since it uses less digits than its factorization.

212112210022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981591.

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

Adding to 212112210022001 its reverse (100220012211212), we get a palindrome (312332222233213).

The spelling of 212112210022001 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred ten million, twenty-two thousand, one".