22101122136 has 128 divisors (see below), whose sum is σ = 59156697600. Its totient is φ = 6856611840.

The previous prime is 22101122117. The next prime is 22101122137. The reversal of 22101122136 is 63122110122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101122137) 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, 20790741 + ... + 20791803.

It is an arithmetic number, because the mean of its divisors is an integer number (462161700).

Almost surely, 2^22101122136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22101122136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29578348800).

22101122136 is an abundant number, since it is smaller than the sum of its proper divisors (37055575464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101122136 is a wasteful number, since it uses less digits than its factorization.

22101122136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22101122136 its reverse (63122110122), we get a palindrome (85223232258).

The spelling of 22101122136 in words is "twenty-two billion, one hundred one million, one hundred twenty-two thousand, one hundred thirty-six".