11111202002001 has 8 divisors (see below), whose sum is σ = 14814951981984. Its totient is φ = 7407460011680.

The previous prime is 11111202001931. The next prime is 11111202002051. The reversal of 11111202002001 is 10020020211111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111202002001 - 2¹⁸ = 11111201739857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111202002051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122005 + ... + 5654141.

It is an arithmetic number, because the mean of its divisors is an integer number (1851868997748).

Almost surely, 2^{11111202002001} is an apocalyptic number.

It is an amenable number.

11111202002001 is a deficient number, since it is larger than the sum of its proper divisors (3703749979983).

11111202002001 is a wasteful number, since it uses less digits than its factorization.

11111202002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994831.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11111202002001 its reverse (10020020211111), we get a palindrome (21131222213112).

The spelling of 11111202002001 in words is "eleven trillion, one hundred eleven billion, two hundred two million, two thousand, one".