100001121102 has 40 divisors (see below), whose sum is σ = 226132374600. Its totient is φ = 33027887376.

The previous prime is 100001121047. The next prime is 100001121107. The reversal of 100001121102 is 201121100001.

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 (100001121107) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2813952 + ... + 2849267.

It is an arithmetic number, because the mean of its divisors is an integer number (5653309365).

Almost surely, 2^100001121102 is an apocalyptic number.

100001121102 is an abundant number, since it is smaller than the sum of its proper divisors (126131253498).

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

100001121102 is a wasteful number, since it uses less digits than its factorization.

100001121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663342 (or 5663333 counting only the distinct ones).

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

Adding to 100001121102 its reverse (201121100001), we get a palindrome (301122221103).

The spelling of 100001121102 in words is "one hundred billion, one million, one hundred twenty-one thousand, one hundred two".