111001000201002 has 24 divisors (see below), whose sum is σ = 241057599375684. Its totient is φ = 36914882281344.

The previous prime is 111001000200971. The next prime is 111001000201019. The reversal of 111001000201002 is 200102000100111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98306451631521 + 12694548569481 = 9914961^2 + 3562941^2 .

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 11 ways as a sum of consecutive naturals, for example, 7120918573 + ... + 7120934160.

Almost surely, 2^{111001000201002} is an apocalyptic number.

111001000201002 is an abundant number, since it is smaller than the sum of its proper divisors (130056599174682).

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

111001000201002 is a wasteful number, since it uses less digits than its factorization.

111001000201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14241853174 (or 14241853171 counting only the distinct ones).

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

Adding to 111001000201002 its reverse (200102000100111), we get a palindrome (311103000301113).

The spelling of 111001000201002 in words is "one hundred eleven trillion, one billion, two hundred one thousand, two".