111101001001012 has 48 divisors (see below), whose sum is σ = 213982633335744. Its totient is φ = 50052679488000.

The previous prime is 111101001001009. The next prime is 111101001001033. The reversal of 111101001001012 is 210100100101111.

It is a self number, because there is not a number n which added to its sum of digits gives 111101001001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349775587 + ... + 350093077.

It is an arithmetic number, because the mean of its divisors is an integer number (4457971527828).

Almost surely, 2^{111101001001012} is an apocalyptic number.

It is an amenable number.

111101001001012 is a deficient number, since it is larger than the sum of its proper divisors (102881632334732).

111101001001012 is a wasteful number, since it uses less digits than its factorization.

111101001001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388000 (or 387998 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111101001001012 its reverse (210100100101111), we get a palindrome (321201101102123).

The spelling of 111101001001012 in words is "one hundred eleven trillion, one hundred one billion, one million, one thousand, twelve".