210100100022 has 16 divisors (see below), whose sum is σ = 466889111280. Its totient is φ = 70033366656.

The previous prime is 210100100017. The next prime is 210100100027. The reversal of 210100100022 is 220001001012.

It is an interprime number because it is at equal distance from previous prime (210100100017) and next prime (210100100027).

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

It is a junction number, because it is equal to n+sod(n) for n = 210100099977 and 210100100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100100027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1945371243 + ... + 1945371350.

It is an arithmetic number, because the mean of its divisors is an integer number (29180569455).

Almost surely, 2^210100100022 is an apocalyptic number.

210100100022 is an abundant number, since it is smaller than the sum of its proper divisors (256789011258).

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

210100100022 is a wasteful number, since it uses less digits than its factorization.

210100100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890742604 (or 3890742598 counting only the distinct ones).

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

Adding to 210100100022 its reverse (220001001012), we get a palindrome (430101101034).

The spelling of 210100100022 in words is "two hundred ten billion, one hundred million, one hundred thousand, twenty-two".