22112212101 has 32 divisors (see below), whose sum is σ = 34140733440. Its totient is φ = 12468508416.

The previous prime is 22112212099. The next prime is 22112212159. The reversal of 22112212101 is 10121221122.

It is not a de Polignac number, because 22112212101 - 2¹ = 22112212099 is a prime.

It is a super-2 number, since 2×22112212101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112212501) 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, 4588045 + ... + 4592861.

It is an arithmetic number, because the mean of its divisors is an integer number (1066897920).

Almost surely, 2^22112212101 is an apocalyptic number.

22112212101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22112212101 is a deficient number, since it is larger than the sum of its proper divisors (12028521339).

22112212101 is a wasteful number, since it uses less digits than its factorization.

22112212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22112212101 its reverse (10121221122), we get a palindrome (32233433223).

The spelling of 22112212101 in words is "twenty-two billion, one hundred twelve million, two hundred twelve thousand, one hundred one".