212221722675101 has 16 divisors (see below), whose sum is σ = 215169811404288. Its totient is φ = 209290643424000.

The previous prime is 212221722675089. The next prime is 212221722675167. The reversal of 212221722675101 is 101576227122212.

It is a cyclic number.

It is not a de Polignac number, because 212221722675101 - 2¹⁴ = 212221722658717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221722677101) 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, 104288501 + ... + 106303973.

It is an arithmetic number, because the mean of its divisors is an integer number (13448113212768).

Almost surely, 2^{212221722675101} is an apocalyptic number.

It is an amenable number.

212221722675101 is a deficient number, since it is larger than the sum of its proper divisors (2948088729187).

212221722675101 is a wasteful number, since it uses less digits than its factorization.

212221722675101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019692.

The product of its (nonzero) digits is 94080, while the sum is 41.

Adding to 212221722675101 its reverse (101576227122212), we get a palindrome (313797949797313).

The spelling of 212221722675101 in words is "two hundred twelve trillion, two hundred twenty-one billion, seven hundred twenty-two million, six hundred seventy-five thousand, one hundred one".