221240203113 has 8 divisors (see below), whose sum is σ = 302959557568. Its totient is φ = 143507158704.

The previous prime is 221240203097. The next prime is 221240203153. The reversal of 221240203113 is 311302042122.

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

It is not a de Polignac number, because 221240203113 - 2⁴ = 221240203097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221240203113.

It is not an unprimeable number, because it can be changed into a prime (221240203153) 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, 996577381 + ... + 996577602.

It is an arithmetic number, because the mean of its divisors is an integer number (37869944696).

Almost surely, 2^221240203113 is an apocalyptic number.

It is an amenable number.

221240203113 is a deficient number, since it is larger than the sum of its proper divisors (81719354455).

221240203113 is a wasteful number, since it uses less digits than its factorization.

221240203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993155023.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221240203113 its reverse (311302042122), we get a palindrome (532542245235).

The spelling of 221240203113 in words is "two hundred twenty-one billion, two hundred forty million, two hundred three thousand, one hundred thirteen".