100001120121111 has 96 divisors (see below), whose sum is σ = 153653656907520. Its totient is φ = 57742356672000.

The previous prime is 100001120121083. The next prime is 100001120121127. The reversal of 100001120121111 is 111121021100001.

It is not a de Polignac number, because 100001120121111 - 2¹⁰ = 100001120120087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001120121131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4293540376 + ... + 4293563666.

It is an arithmetic number, because the mean of its divisors is an integer number (1600558926120).

Almost surely, 2^{100001120121111} is an apocalyptic number.

100001120121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100001120121111 is a deficient number, since it is larger than the sum of its proper divisors (53652536786409).

100001120121111 is a wasteful number, since it uses less digits than its factorization.

100001120121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30109 (or 30098 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 100001120121111 its reverse (111121021100001), we get a palindrome (211122141221112).

The spelling of 100001120121111 in words is "one hundred trillion, one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred eleven".