221000222012101 has 8 divisors (see below), whose sum is σ = 252814773436160. Its totient is φ = 189246443372208.

The previous prime is 221000222012093. The next prime is 221000222012117. The reversal of 221000222012101 is 101210222000122.

It is a happy number.

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 221000222012101 - 2³ = 221000222012093 is a prime.

It is a super-4 number, since 4×221000222012101⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000282012101) 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, 15193188246 + ... + 15193202791.

It is an arithmetic number, because the mean of its divisors is an integer number (31601846679520).

Almost surely, 2^{221000222012101} is an apocalyptic number.

It is an amenable number.

221000222012101 is a deficient number, since it is larger than the sum of its proper divisors (31814551424059).

221000222012101 is a wasteful number, since it uses less digits than its factorization.

221000222012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30386392083.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221000222012101 its reverse (101210222000122), we get a palindrome (322210444012223).

The spelling of 221000222012101 in words is "two hundred twenty-one trillion, two hundred twenty-two million, twelve thousand, one hundred one".