111002201001 has 12 divisors (see below), whose sum is σ = 160432716912. Its totient is φ = 73957065336.

The previous prime is 111002200937. The next prime is 111002201017. The reversal of 111002201001 is 100102200111.

It is a happy number.

It is not a de Polignac number, because 111002201001 - 2⁶ = 111002200937 is a prime.

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 (111002201501) 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, 3684331 + ... + 3714336.

It is an arithmetic number, because the mean of its divisors is an integer number (13369393076).

Almost surely, 2^111002201001 is an apocalyptic number.

It is an amenable number.

111002201001 is a deficient number, since it is larger than the sum of its proper divisors (49430515911).

111002201001 is a wasteful number, since it uses less digits than its factorization.

111002201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400340 (or 7400337 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111002201001 its reverse (100102200111), we get a palindrome (211104401112).

The spelling of 111002201001 in words is "one hundred eleven billion, two million, two hundred one thousand, one".