100312100231111 has 4 divisors (see below), whose sum is σ = 100318621217712. Its totient is φ = 100305579244512.

The previous prime is 100312100231047. The next prime is 100312100231149. The reversal of 100312100231111 is 111132001213001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100312100231111 - 2⁶ = 100312100231047 is a prime.

It is a super-2 number, since 2×100312100231111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100312100231111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100312100231711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3260470226 + ... + 3260500991.

It is an arithmetic number, because the mean of its divisors is an integer number (25079655304428).

Almost surely, 2^{100312100231111} is an apocalyptic number.

100312100231111 is a deficient number, since it is larger than the sum of its proper divisors (6520986601).

100312100231111 is an equidigital number, since it uses as much as digits as its factorization.

100312100231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520986600.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 100312100231111 its reverse (111132001213001), we get a palindrome (211444101444112).

The spelling of 100312100231111 in words is "one hundred trillion, three hundred twelve billion, one hundred million, two hundred thirty-one thousand, one hundred eleven".