111020022001 has 4 divisors (see below), whose sum is σ = 126880025152. Its totient is φ = 95160018852.

The previous prime is 111020021939. The next prime is 111020022037. The reversal of 111020022001 is 100220020111.

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 111020022001 - 2¹⁵ = 111019989233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020022101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7930001565 + ... + 7930001578.

It is an arithmetic number, because the mean of its divisors is an integer number (31720006288).

Almost surely, 2^111020022001 is an apocalyptic number.

It is an amenable number.

111020022001 is a deficient number, since it is larger than the sum of its proper divisors (15860003151).

111020022001 is an equidigital number, since it uses as much as digits as its factorization.

111020022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15860003150.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111020022001 its reverse (100220020111), we get a palindrome (211240042112).

The spelling of 111020022001 in words is "one hundred eleven billion, twenty million, twenty-two thousand, one".