100111210002 has 24 divisors (see below), whose sum is σ = 229666894236. Its totient is φ = 31407438336.

The previous prime is 100111209953. The next prime is 100111210009. The reversal of 100111210002 is 200012111001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97799427441 + 2311782561 = 312729^2 + 48081^2 .

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 (100111210009) 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, 163580103 + ... + 163580714.

Almost surely, 2^100111210002 is an apocalyptic number.

100111210002 is an abundant number, since it is smaller than the sum of its proper divisors (129555684234).

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

100111210002 is a wasteful number, since it uses less digits than its factorization.

100111210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327160842 (or 327160839 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100111210002 its reverse (200012111001), we get a palindrome (300123321003).

Subtracting 100111210002 from its reverse (200012111001), we obtain a palindrome (99900900999).

The spelling of 100111210002 in words is "one hundred billion, one hundred eleven million, two hundred ten thousand, two".