22021301113203 has 32 divisors (see below), whose sum is σ = 33569426176000. Its totient is φ = 12578667365376.

The previous prime is 22021301113199. The next prime is 22021301113213. The reversal of 22021301113203 is 30231110312022.

It is not a de Polignac number, because 22021301113203 - 2² = 22021301113199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 22021301113203.

It is not an unprimeable number, because it can be changed into a prime (22021301113213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1114484838 + ... + 1114504596.

It is an arithmetic number, because the mean of its divisors is an integer number (1049044568000).

Almost surely, 2^{22021301113203} is an apocalyptic number.

22021301113203 is a deficient number, since it is larger than the sum of its proper divisors (11548125062797).

22021301113203 is a wasteful number, since it uses less digits than its factorization.

22021301113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37891.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 22021301113203 its reverse (30231110312022), we get a palindrome (52252411425225).

The spelling of 22021301113203 in words is "twenty-two trillion, twenty-one billion, three hundred one million, one hundred thirteen thousand, two hundred three".