100010002122 has 24 divisors (see below), whose sum is σ = 217020198564. Its totient is φ = 33285611904.

The previous prime is 100010002067. The next prime is 100010002123. The reversal of 100010002122 is 221200010001.

It can be written as a sum of positive squares in 2 ways, for example, as 99268474761 + 741527361 = 315069^2 + 27231^2 .

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

It is not an unprimeable number, because it can be changed into a prime (100010002123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4242543 + ... + 4266050.

Almost surely, 2^100010002122 is an apocalyptic number.

100010002122 is an abundant number, since it is smaller than the sum of its proper divisors (117010196442).

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

100010002122 is a wasteful number, since it uses less digits than its factorization.

100010002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509254 (or 8509251 counting only the distinct ones).

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

Adding to 100010002122 its reverse (221200010001), we get a palindrome (321210012123).

The spelling of 100010002122 in words is "one hundred billion, ten million, two thousand, one hundred twenty-two".