111011001001002 has 12 divisors (see below), whose sum is σ = 240523835502210. Its totient is φ = 37003667000328.

The previous prime is 111011001000983. The next prime is 111011001001013. The reversal of 111011001001002 is 200100100110111.

111011001001002 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 83740453262361 + 27270547738641 = 9150981^2 + 5222121^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3083638916677 + ... + 3083638916712.

Almost surely, 2^{111011001001002} is an apocalyptic number.

111011001001002 is an abundant number, since it is smaller than the sum of its proper divisors (129512834501208).

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

111011001001002 is a wasteful number, since it uses less digits than its factorization.

111011001001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167277833397 (or 6167277833394 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111011001001002 its reverse (200100100110111), we get a palindrome (311111101111113).

The spelling of 111011001001002 in words is "one hundred eleven trillion, eleven billion, one million, one thousand, two".