100000010111121 has 12 divisors (see below), whose sum is σ = 146272869924480. Its totient is φ = 65822791465080.

The previous prime is 100000010111101. The next prime is 100000010111191. The reversal of 100000010111121 is 121111010000001.

It is not a de Polignac number, because 100000010111121 - 2⁷ = 100000010110993 is a prime.

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 (100000010111101) by changing a digit.

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, 70323494445 + ... + 70323495866.

It is an arithmetic number, because the mean of its divisors is an integer number (12189405827040).

Almost surely, 2^{100000010111121} is an apocalyptic number.

It is an amenable number.

100000010111121 is a deficient number, since it is larger than the sum of its proper divisors (46272859813359).

100000010111121 is a wasteful number, since it uses less digits than its factorization.

100000010111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140646990396 (or 140646990393 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 100000010111121 its reverse (121111010000001), we get a palindrome (221111020111122).

The spelling of 100000010111121 in words is "one hundred trillion, ten million, one hundred eleven thousand, one hundred twenty-one".