221211021100201 has 8 divisors (see below), whose sum is σ = 241377589783584. Its totient is φ = 201053865059520.

The previous prime is 221211021100127. The next prime is 221211021100211. The reversal of 221211021100201 is 102001120112122.

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

It is not a de Polignac number, because 221211021100201 - 2⁷ = 221211021100073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221211021100211) 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, 2353111531 + ... + 2353205536.

It is an arithmetic number, because the mean of its divisors is an integer number (30172198722948).

Almost surely, 2^{221211021100201} is an apocalyptic number.

It is an amenable number.

221211021100201 is a deficient number, since it is larger than the sum of its proper divisors (20166568683383).

221211021100201 is a wasteful number, since it uses less digits than its factorization.

221211021100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706321351.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221211021100201 its reverse (102001120112122), we get a palindrome (323212141212323).

The spelling of 221211021100201 in words is "two hundred twenty-one trillion, two hundred eleven billion, twenty-one million, one hundred thousand, two hundred one".