22131330102 has 144 divisors (see below), whose sum is σ = 56509335792. Its totient is φ = 6241173120.

The previous prime is 22131330083. The next prime is 22131330103. The reversal of 22131330102 is 20103313122.

22131330102 is a `hidden beast` number, since 221 + 313 + 30 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131330103) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25063353 + ... + 25064235.

It is an arithmetic number, because the mean of its divisors is an integer number (392425943).

Almost surely, 2^22131330102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22131330102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28254667896).

22131330102 is an abundant number, since it is smaller than the sum of its proper divisors (34378005690).

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

22131330102 is a wasteful number, since it uses less digits than its factorization.

22131330102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22131330102 its reverse (20103313122), we get a palindrome (42234643224).

The spelling of 22131330102 in words is "twenty-two billion, one hundred thirty-one million, three hundred thirty thousand, one hundred two".