111210100012 has 24 divisors (see below), whose sum is σ = 212333481360. Its totient is φ = 50544500160.

The previous prime is 111210099989. The next prime is 111210100049. The reversal of 111210100012 is 210001012111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281314 + ... + 549142.

It is an arithmetic number, because the mean of its divisors is an integer number (8847228390).

Almost surely, 2^111210100012 is an apocalyptic number.

It is an amenable number.

111210100012 is a deficient number, since it is larger than the sum of its proper divisors (101123381348).

111210100012 is a wasteful number, since it uses less digits than its factorization.

111210100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277281 (or 277279 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111210100012 its reverse (210001012111), we get a palindrome (321211112123).

The spelling of 111210100012 in words is "one hundred eleven billion, two hundred ten million, one hundred thousand, twelve".