100001001120102 has 20 divisors (see below), whose sum is σ = 224076317325036. Its totient is φ = 33333667039980.

The previous prime is 100001001120071. The next prime is 100001001120103. The reversal of 100001001120102 is 201021100100001.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001001120103) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 308645065024 + ... + 308645065347.

Almost surely, 2^{100001001120102} is an apocalyptic number.

100001001120102 is an abundant number, since it is smaller than the sum of its proper divisors (124075316204934).

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

100001001120102 is an equidigital number, since it uses as much as digits as its factorization.

100001001120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617290130385 (or 617290130376 counting only the distinct ones).

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

Adding to 100001001120102 its reverse (201021100100001), we get a palindrome (301022101220103).

The spelling of 100001001120102 in words is "one hundred trillion, one billion, one million, one hundred twenty thousand, one hundred two".