111101101002 has 12 divisors (see below), whose sum is σ = 240719052210. Its totient is φ = 37033700328.

The previous prime is 111101100997. The next prime is 111101101009. The reversal of 111101101002 is 200101101111.

It can be written as a sum of positive squares in only one way, i.e., 111042899361 + 58201641 = 333231^2 + 7629^2 .

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 (111101101009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086141677 + ... + 3086141712.

Almost surely, 2^111101101002 is an apocalyptic number.

111101101002 is an abundant number, since it is smaller than the sum of its proper divisors (129617951208).

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

111101101002 is a wasteful number, since it uses less digits than its factorization.

111101101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172283397 (or 6172283394 counting only the distinct ones).

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

Adding to 111101101002 its reverse (200101101111), we get a palindrome (311202202113).

The spelling of 111101101002 in words is "one hundred eleven billion, one hundred one million, one hundred one thousand, two".