100001122210 has 64 divisors (see below), whose sum is σ = 201653452800. Its totient is φ = 35397835200.

The previous prime is 100001122163. The next prime is 100001122213. The reversal of 100001122210 is 12221100001.

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

It is not an unprimeable number, because it can be changed into a prime (100001122213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535951 + ... + 698029.

It is an arithmetic number, because the mean of its divisors is an integer number (3150835200).

Almost surely, 2^100001122210 is an apocalyptic number.

100001122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001122210 is an abundant number, since it is smaller than the sum of its proper divisors (101652330590).

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

100001122210 is a wasteful number, since it uses less digits than its factorization.

100001122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162247.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100001122210 its reverse (12221100001), we get a palindrome (112222222211).

The spelling of 100001122210 in words is "one hundred billion, one million, one hundred twenty-two thousand, two hundred ten".