122001202111 has 4 divisors (see below), whose sum is σ = 122002888824. Its totient is φ = 121999515400.

The previous prime is 122001202109. The next prime is 122001202129. The reversal of 122001202111 is 111202100221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122001202111 - 2¹ = 122001202109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122001202091 and 122001202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122007202111) 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, 729760 + ... + 881221.

It is an arithmetic number, because the mean of its divisors is an integer number (30500722206).

Almost surely, 2^122001202111 is an apocalyptic number.

122001202111 is a deficient number, since it is larger than the sum of its proper divisors (1686713).

122001202111 is an equidigital number, since it uses as much as digits as its factorization.

122001202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686712.

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

Adding to 122001202111 its reverse (111202100221), we get a palindrome (233203302332).

The spelling of 122001202111 in words is "one hundred twenty-two billion, one million, two hundred two thousand, one hundred eleven".