221213102200101 has 16 divisors (see below), whose sum is σ = 357516124768320. Its totient is φ = 134068546787760.

The previous prime is 221213102200093. The next prime is 221213102200127. The reversal of 221213102200101 is 101002201312122.

221213102200101 is a `hidden beast` number, since 2 + 2 + 121 + 310 + 220 + 0 + 10 + 1 = 666.

It is not a de Polignac number, because 221213102200101 - 2³ = 221213102200093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221213102200001) 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, 372412629670 + ... + 372412630263.

It is an arithmetic number, because the mean of its divisors is an integer number (22344757798020).

Almost surely, 2^{221213102200101} is an apocalyptic number.

It is an amenable number.

221213102200101 is a deficient number, since it is larger than the sum of its proper divisors (136303022568219).

221213102200101 is a wasteful number, since it uses less digits than its factorization.

221213102200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744825259953 (or 744825259947 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 221213102200101 its reverse (101002201312122), we get a palindrome (322215303512223).

The spelling of 221213102200101 in words is "two hundred twenty-one trillion, two hundred thirteen billion, one hundred two million, two hundred thousand, one hundred one".