22222121101 has 8 divisors (see below), whose sum is σ = 22445339904. Its totient is φ = 21998965200.

The previous prime is 22222121093. The next prime is 22222121111. The reversal of 22222121101 is 10112122222.

It is a happy number.

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 22222121101 - 2³ = 22222121093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222121111) 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, 1060936 + ... + 1081678.

It is an arithmetic number, because the mean of its divisors is an integer number (2805667488).

Almost surely, 2^22222121101 is an apocalyptic number.

It is an amenable number.

22222121101 is a deficient number, since it is larger than the sum of its proper divisors (223218803).

22222121101 is a wasteful number, since it uses less digits than its factorization.

22222121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31451.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22222121101 its reverse (10112122222), we get a palindrome (32334243323).

It can be divided in two parts, 22222121 and 101, that added together give a palindrome (22222222).

The spelling of 22222121101 in words is "twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred one".