100100121102 has 24 divisors (see below), whose sum is σ = 216944879736. Its totient is φ = 33357278736.

The previous prime is 100100121097. The next prime is 100100121119. The reversal of 100100121102 is 201121001001.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720073 + ... + 847764.

It is an arithmetic number, because the mean of its divisors is an integer number (9039369989).

Almost surely, 2^100100121102 is an apocalyptic number.

100100121102 is an abundant number, since it is smaller than the sum of its proper divisors (116844758634).

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

100100121102 is a wasteful number, since it uses less digits than its factorization.

100100121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571392 (or 1571389 counting only the distinct ones).

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

Adding to 100100121102 its reverse (201121001001), we get a palindrome (301221122103).

The spelling of 100100121102 in words is "one hundred billion, one hundred million, one hundred twenty-one thousand, one hundred two".