22121102201 has 8 divisors (see below), whose sum is σ = 24195124224. Its totient is φ = 20057582320.

The previous prime is 22121102197. The next prime is 22121102251. The reversal of 22121102201 is 10220112122.

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

It is a cyclic number.

It is not a de Polignac number, because 22121102201 - 2² = 22121102197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121102251) 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, 2621126 + ... + 2629551.

It is an arithmetic number, because the mean of its divisors is an integer number (3024390528).

Almost surely, 2^22121102201 is an apocalyptic number.

It is an amenable number.

22121102201 is a deficient number, since it is larger than the sum of its proper divisors (2074022023).

22121102201 is a wasteful number, since it uses less digits than its factorization.

22121102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251071.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22121102201 its reverse (10220112122), we get a palindrome (32341214323).

The spelling of 22121102201 in words is "twenty-two billion, one hundred twenty-one million, one hundred two thousand, two hundred one".