111101001100002 has 24 divisors (see below), whose sum is σ = 240720135409884. Its totient is φ = 37033467080544.

The previous prime is 111101001099997. The next prime is 111101001100003. The reversal of 111101001100002 is 200001100101111.

It can be written as a sum of positive squares in 2 ways, for example, as 104144494624641 + 6956506475361 = 10205121^2 + 2637519^2 .

It is a super-2 number, since 2×111101001100002² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (111101001100003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13217053 + ... + 19922160.

Almost surely, 2^{111101001100002} is an apocalyptic number.

111101001100002 is an abundant number, since it is smaller than the sum of its proper divisors (129619134309882).

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

111101001100002 is a wasteful number, since it uses less digits than its factorization.

111101001100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33325474 (or 33325471 counting only the distinct ones).

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

Adding to 111101001100002 its reverse (200001100101111), we get a palindrome (311102101201113).

The spelling of 111101001100002 in words is "one hundred eleven trillion, one hundred one billion, one million, one hundred thousand, two".