100111210111012 has 48 divisors (see below), whose sum is σ = 180391741629120. Its totient is φ = 48595317484032.

The previous prime is 100111210110937. The next prime is 100111210111013. The reversal of 100111210111012 is 210111012111001.

It is a junction number, because it is equal to n+sod(n) for n = 100111210110983 and 100111210111001.

It is not an unprimeable number, because it can be changed into a prime (100111210111013) 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, 3595848 + ... + 14599744.

It is an arithmetic number, because the mean of its divisors is an integer number (3758161283940).

Almost surely, 2^{100111210111012} is an apocalyptic number.

It is an amenable number.

100111210111012 is a deficient number, since it is larger than the sum of its proper divisors (80280531518108).

100111210111012 is a wasteful number, since it uses less digits than its factorization.

100111210111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11004460 (or 11004458 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 100111210111012 its reverse (210111012111001), we get a palindrome (310222222222013).

The spelling of 100111210111012 in words is "one hundred trillion, one hundred eleven billion, two hundred ten million, one hundred eleven thousand, twelve".