221010200112001 has 16 divisors (see below), whose sum is σ = 224719569233280. Its totient is φ = 217334052547200.

The previous prime is 221010200111993. The next prime is 221010200112007. The reversal of 221010200112001 is 100211002010122.

It is a cyclic number.

It is not a de Polignac number, because 221010200112001 - 2³ = 221010200111993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221010200112007) 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, 11935230 + ... + 24175816.

It is an arithmetic number, because the mean of its divisors is an integer number (14044973077080).

Almost surely, 2^{221010200112001} is an apocalyptic number.

It is an amenable number.

221010200112001 is a deficient number, since it is larger than the sum of its proper divisors (3709369121279).

221010200112001 is a wasteful number, since it uses less digits than its factorization.

221010200112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12241944.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221010200112001 its reverse (100211002010122), we get a palindrome (321221202122123).

The spelling of 221010200112001 in words is "two hundred twenty-one trillion, ten billion, two hundred million, one hundred twelve thousand, one".