100001232111 has 96 divisors (see below), whose sum is σ = 157243258368. Its totient is φ = 55954229760.

The previous prime is 100001232103. The next prime is 100001232119. The reversal of 100001232111 is 111232100001.

It is an interprime number because it is at equal distance from previous prime (100001232103) and next prime (100001232119).

It is not a de Polignac number, because 100001232111 - 2³ = 100001232103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001232119) 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, 163133841 + ... + 163134453.

It is an arithmetic number, because the mean of its divisors is an integer number (1637950608).

Almost surely, 2^100001232111 is an apocalyptic number.

100001232111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100001232111 is a deficient number, since it is larger than the sum of its proper divisors (57242026257).

100001232111 is a wasteful number, since it uses less digits than its factorization.

100001232111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 844 counting only the distinct ones).

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

Adding to 100001232111 its reverse (111232100001), we get a palindrome (211233332112).

The spelling of 100001232111 in words is "one hundred billion, one million, two hundred thirty-two thousand, one hundred eleven".