22101221011203 has 24 divisors (see below), whose sum is σ = 33344295978240. Its totient is φ = 14079862333680.

The previous prime is 22101221011187. The next prime is 22101221011229. The reversal of 22101221011203 is 30211012210122.

It is not a de Polignac number, because 22101221011203 - 2⁴ = 22101221011187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101221021203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51566013 + ... + 51992846.

It is an arithmetic number, because the mean of its divisors is an integer number (1389345665760).

Almost surely, 2^{22101221011203} is an apocalyptic number.

22101221011203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22101221011203 is a deficient number, since it is larger than the sum of its proper divisors (11243074967037).

22101221011203 is a wasteful number, since it uses less digits than its factorization.

22101221011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103559919 (or 103559916 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 22101221011203 its reverse (30211012210122), we get a palindrome (52312233221325).

The spelling of 22101221011203 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-one million, eleven thousand, two hundred three".