22012002210100 has 54 divisors (see below), whose sum is σ = 55564582734150. Its totient is φ = 7546972184640.

The previous prime is 22012002210047. The next prime is 22012002210103. The reversal of 22012002210100 is 101220021022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2413088841744 + 19598913368356 = 1553412^2 + 4427066^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012002210103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2246117775 + ... + 2246127574.

Almost surely, 2^{22012002210100} is an apocalyptic number.

22012002210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012002210100 is an abundant number, since it is smaller than the sum of its proper divisors (33552580524050).

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

22012002210100 is a wasteful number, since it uses less digits than its factorization.

22012002210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492245377 (or 4492245363 counting only the distinct ones).

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

Adding to 22012002210100 its reverse (101220021022), we get a palindrome (22113222231122).

The spelling of 22012002210100 in words is "twenty-two trillion, twelve billion, two million, two hundred ten thousand, one hundred".