22102001022100 has 36 divisors (see below), whose sum is σ = 48143704793184. Its totient is φ = 8807185187680.

The previous prime is 22102001022083. The next prime is 22102001022109. The reversal of 22102001022100 is 122010020122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102001022109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420163834 + ... + 420216433.

It is an arithmetic number, because the mean of its divisors is an integer number (1337325133144).

Almost surely, 2^{22102001022100} is an apocalyptic number.

22102001022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102001022100 is an abundant number, since it is smaller than the sum of its proper divisors (26041703771084).

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

22102001022100 is a wasteful number, since it uses less digits than its factorization.

22102001022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840380544 (or 840380537 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22102001022100 its reverse (122010020122), we get a palindrome (22224011042222).

The spelling of 22102001022100 in words is "twenty-two trillion, one hundred two billion, one million, twenty-two thousand, one hundred".