22201010100 has 108 divisors (see below), whose sum is σ = 71468692204. Its totient is φ = 5760253440.

The previous prime is 22201010087. The next prime is 22201010101. The reversal of 22201010100 is 101010222.

It can be written as a sum of positive squares in 6 ways, for example, as 4076311716 + 18124698384 = 63846^2 + 134628^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201010101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 300049 + ... + 366648.

Almost surely, 2^22201010100 is an apocalyptic number.

22201010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201010100 is an abundant number, since it is smaller than the sum of its proper divisors (49267682104).

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

22201010100 is a wasteful number, since it uses less digits than its factorization.

22201010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666754 (or 666744 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22201010100 its reverse (101010222), we get a palindrome (22302020322).

The spelling of 22201010100 in words is "twenty-two billion, two hundred one million, ten thousand, one hundred".