22011030100 has 18 divisors (see below), whose sum is σ = 47763935534. Its totient is φ = 8804412000.

The previous prime is 22011030089. The next prime is 22011030121. The reversal of 22011030100 is 103011022.

It can be written as a sum of positive squares in 3 ways, for example, as 193376836 + 21817653264 = 13906^2 + 147708^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110055051 + ... + 110055250.

Almost surely, 2^22011030100 is an apocalyptic number.

22011030100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011030100 is an abundant number, since it is smaller than the sum of its proper divisors (25752905434).

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

22011030100 is a wasteful number, since it uses less digits than its factorization.

22011030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220110315 (or 220110308 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 22011030100 its reverse (103011022), we get a palindrome (22114041122).

It can be divided in two parts, 2201 and 1030100, that added together give a palindrome (1032301).

The spelling of 22011030100 in words is "twenty-two billion, eleven million, thirty thousand, one hundred".