212220101120001 has 16 divisors (see below), whose sum is σ = 304746199744896. Its totient is φ = 130588456432896.

The previous prime is 212220101119987. The next prime is 212220101120029. The reversal of 212220101120001 is 100021101022212.

It is not a de Polignac number, because 212220101120001 - 2⁵ = 212220101119969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212220101120801) 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, 177079965 + ... + 178274378.

It is an arithmetic number, because the mean of its divisors is an integer number (19046637484056).

Almost surely, 2^{212220101120001} is an apocalyptic number.

It is an amenable number.

212220101120001 is a deficient number, since it is larger than the sum of its proper divisors (92526098624895).

212220101120001 is a wasteful number, since it uses less digits than its factorization.

212220101120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355369672.

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

Adding to 212220101120001 its reverse (100021101022212), we get a palindrome (312241202142213).

The spelling of 212220101120001 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred one million, one hundred twenty thousand, one".