111011001001012 has 96 divisors (see below), whose sum is σ = 225435376221440. Its totient is φ = 46850536857600.

The previous prime is 111011001000983. The next prime is 111011001001013. The reversal of 111011001001012 is 210100100110111.

It is a self number, because there is not a number n which added to its sum of digits gives 111011001001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011001001013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618987178 + ... + 619166494.

Almost surely, 2^{111011001001012} is an apocalyptic number.

It is an amenable number.

111011001001012 is an abundant number, since it is smaller than the sum of its proper divisors (114424375220428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111011001001012 is a wasteful number, since it uses less digits than its factorization.

111011001001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180681 (or 180679 counting only the distinct ones).

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

Adding to 111011001001012 its reverse (210100100110111), we get a palindrome (321111101111123).

The spelling of 111011001001012 in words is "one hundred eleven trillion, eleven billion, one million, one thousand, twelve".