22001110100 has 36 divisors (see below), whose sum is σ = 47828243484. Its totient is φ = 8784622080.

The previous prime is 22001110091. The next prime is 22001110141. The reversal of 22001110100 is 101110022.

It can be written as a sum of positive squares in 6 ways, for example, as 1057810576 + 20943299524 = 32524^2 + 144718^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141797 + ... + 253196.

It is an arithmetic number, because the mean of its divisors is an integer number (1328562319).

Almost surely, 2^22001110100 is an apocalyptic number.

22001110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001110100 is an abundant number, since it is smaller than the sum of its proper divisors (25827133384).

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

22001110100 is a wasteful number, since it uses less digits than its factorization.

22001110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395564 (or 395557 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 22001110100 its reverse (101110022), we get a palindrome (22102220122).

The spelling of 22001110100 in words is "twenty-two billion, one million, one hundred ten thousand, one hundred".