100231132111 has 16 divisors (see below), whose sum is σ = 111650083488. Its totient is φ = 89214912000.

The previous prime is 100231132103. The next prime is 100231132121. The reversal of 100231132111 is 111231132001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100231132111 - 2³ = 100231132103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231132121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345540 + ... + 565561.

It is an arithmetic number, because the mean of its divisors is an integer number (6978130218).

Almost surely, 2^100231132111 is an apocalyptic number.

100231132111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100231132111 is a deficient number, since it is larger than the sum of its proper divisors (11418951377).

100231132111 is a wasteful number, since it uses less digits than its factorization.

100231132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911322.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 100231132111 its reverse (111231132001), we get a palindrome (211462264112).

It can be divided in two parts, 1002 and 31132111, that added together give a palindrome (31133113).

The spelling of 100231132111 in words is "one hundred billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred eleven".