111002020001 has 16 divisors (see below), whose sum is σ = 118122201600. Its totient is φ = 104011776000.

The previous prime is 111002019991. The next prime is 111002020007. The reversal of 111002020001 is 100020200111.

It is a de Polignac number, because none of the positive numbers 2^k-111002020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111002020007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1872545 + ... + 1930913.

It is an arithmetic number, because the mean of its divisors is an integer number (7382637600).

Almost surely, 2^111002020001 is an apocalyptic number.

It is an amenable number.

111002020001 is a deficient number, since it is larger than the sum of its proper divisors (7120181599).

111002020001 is a wasteful number, since it uses less digits than its factorization.

111002020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59480.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 111002020001 its reverse (100020200111), we get a palindrome (211022220112).

The spelling of 111002020001 in words is "one hundred eleven billion, two million, twenty thousand, one".