22222201102100 has 36 divisors (see below), whose sum is σ = 48222384874524. Its totient is φ = 8888842010880.

The previous prime is 22222201102093. The next prime is 22222201102121. The reversal of 22222201102100 is 120110222222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2313453168016 + 19908747934084 = 1521004^2 + 4461922^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38510912 + ... + 39083688.

It is an arithmetic number, because the mean of its divisors is an integer number (1339510690959).

Almost surely, 2^{22222201102100} is an apocalyptic number.

22222201102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222201102100 is an abundant number, since it is smaller than the sum of its proper divisors (26000183772424).

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

22222201102100 is a wasteful number, since it uses less digits than its factorization.

22222201102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960764 (or 960757 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222201102100 its reverse (120110222222), we get a palindrome (22342311324322).

The spelling of 22222201102100 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred one million, one hundred two thousand, one hundred".