22021121103 has 32 divisors (see below), whose sum is σ = 30353227200. Its totient is φ = 14194093056.

The previous prime is 22021121063. The next prime is 22021121107. The reversal of 22021121103 is 30112112022.

It is not a de Polignac number, because 22021121103 - 2²⁶ = 21954012239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021121107) 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, 4483413 + ... + 4488321.

It is an arithmetic number, because the mean of its divisors is an integer number (948538350).

Almost surely, 2^22021121103 is an apocalyptic number.

22021121103 is a deficient number, since it is larger than the sum of its proper divisors (8332106097).

22021121103 is a wasteful number, since it uses less digits than its factorization.

22021121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22021121103 its reverse (30112112022), we get a palindrome (52133233125).

The spelling of 22021121103 in words is "twenty-two billion, twenty-one million, one hundred twenty-one thousand, one hundred three".