101202100212221 has 8 divisors (see below), whose sum is σ = 106565046490080. Its totient is φ = 95842805929488.

The previous prime is 101202100212197. The next prime is 101202100212229. The reversal of 101202100212221 is 122212001202101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101202100212221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101202100212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202100212229) 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, 912941891 + ... + 913052736.

It is an arithmetic number, because the mean of its divisors is an integer number (13320630811260).

Almost surely, 2^{101202100212221} is an apocalyptic number.

It is an amenable number.

101202100212221 is a deficient number, since it is larger than the sum of its proper divisors (5362946277859).

101202100212221 is a wasteful number, since it uses less digits than its factorization.

101202100212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825997563.

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

Adding to 101202100212221 its reverse (122212001202101), we get a palindrome (223414101414322).

The spelling of 101202100212221 in words is "one hundred one trillion, two hundred two billion, one hundred million, two hundred twelve thousand, two hundred twenty-one".