111202122001 has 4 divisors (see below), whose sum is σ = 111233265904. Its totient is φ = 111170978100.

The previous prime is 111202121993. The next prime is 111202122007. The reversal of 111202122001 is 100221202111.

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 111202122001 - 2³ = 111202121993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111202122007) 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 3 ways as a sum of consecutive naturals, for example, 15566595 + ... + 15573736.

It is an arithmetic number, because the mean of its divisors is an integer number (27808316476).

Almost surely, 2^111202122001 is an apocalyptic number.

It is an amenable number.

111202122001 is a deficient number, since it is larger than the sum of its proper divisors (31143903).

111202122001 is an equidigital number, since it uses as much as digits as its factorization.

111202122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31143902.

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

Adding to 111202122001 its reverse (100221202111), we get a palindrome (211423324112).

The spelling of 111202122001 in words is "one hundred eleven billion, two hundred two million, one hundred twenty-two thousand, one".