111100202202001 has 4 divisors (see below), whose sum is σ = 111226023496432. Its totient is φ = 110974380907572.

The previous prime is 111100202201971. The next prime is 111100202202037. The reversal of 111100202202001 is 100202202001111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111100202202001 - 2²¹ = 111100200104849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111100202202601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62910645891 + ... + 62910647656.

It is an arithmetic number, because the mean of its divisors is an integer number (27806505874108).

Almost surely, 2^{111100202202001} is an apocalyptic number.

It is an amenable number.

111100202202001 is a deficient number, since it is larger than the sum of its proper divisors (125821294431).

111100202202001 is an equidigital number, since it uses as much as digits as its factorization.

111100202202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125821294430.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111100202202001 its reverse (100202202001111), we get a palindrome (211302404203112).

It can be divided in two parts, 111 and 100202202001, that multiplied together give a palindrome (11122444422111).

The spelling of 111100202202001 in words is "one hundred eleven trillion, one hundred billion, two hundred two million, two hundred two thousand, one".