22121344101 has 16 divisors (see below), whose sum is σ = 30552917760. Its totient is φ = 14220024000.

The previous prime is 22121344081. The next prime is 22121344127. The reversal of 22121344101 is 10144312122.

It is not a de Polignac number, because 22121344101 - 2²² = 22117149797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121344171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103950 + ... + 234623.

It is an arithmetic number, because the mean of its divisors is an integer number (1909557360).

Almost surely, 2^22121344101 is an apocalyptic number.

It is an amenable number.

22121344101 is a deficient number, since it is larger than the sum of its proper divisors (8431573659).

22121344101 is a wasteful number, since it uses less digits than its factorization.

22121344101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339356.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22121344101 its reverse (10144312122), we get a palindrome (32265656223).

The spelling of 22121344101 in words is "twenty-two billion, one hundred twenty-one million, three hundred forty-four thousand, one hundred one".