212221022001101 has 8 divisors (see below), whose sum is σ = 213045158124480. Its totient is φ = 211397016272832.

The previous prime is 212221022001061. The next prime is 212221022001167. The reversal of 212221022001101 is 101100220122212.

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 212221022001101 - 2²⁶ = 212220954892237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212221022001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221024001101) 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, 29336780 + ... + 35848133.

It is an arithmetic number, because the mean of its divisors is an integer number (26630644765560).

Almost surely, 2^{212221022001101} is an apocalyptic number.

It is an amenable number.

212221022001101 is a deficient number, since it is larger than the sum of its proper divisors (824136123379).

212221022001101 is a wasteful number, since it uses less digits than its factorization.

212221022001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65197555.

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

Adding to 212221022001101 its reverse (101100220122212), we get a palindrome (313321242123313).

The spelling of 212221022001101 in words is "two hundred twelve trillion, two hundred twenty-one billion, twenty-two million, one thousand, one hundred one".