22010002100 has 72 divisors (see below), whose sum is σ = 48003594240. Its totient is φ = 8759560320.

The previous prime is 22010002093. The next prime is 22010002109. The reversal of 22010002100 is 120001022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010002109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29074922 + ... + 29075678.

Almost surely, 2^22010002100 is an apocalyptic number.

22010002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010002100 is an abundant number, since it is smaller than the sum of its proper divisors (25993592140).

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

22010002100 is a wasteful number, since it uses less digits than its factorization.

22010002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1850 counting only the distinct ones).

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

Adding to 22010002100 its reverse (120001022), we get a palindrome (22130003122).

The spelling of 22010002100 in words is "twenty-two billion, ten million, two thousand, one hundred".