122002022111 has 4 divisors (see below), whose sum is σ = 122019391032. Its totient is φ = 121984653192.

The previous prime is 122002022081. The next prime is 122002022117. The reversal of 122002022111 is 111220200221.

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 122002022111 - 2²² = 121997827807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002022117) 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, 8673920 + ... + 8687973.

It is an arithmetic number, because the mean of its divisors is an integer number (30504847758).

Almost surely, 2^122002022111 is an apocalyptic number.

122002022111 is a deficient number, since it is larger than the sum of its proper divisors (17368921).

122002022111 is an equidigital number, since it uses as much as digits as its factorization.

122002022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17368920.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122002022111 its reverse (111220200221), we get a palindrome (233222222332).

The spelling of 122002022111 in words is "one hundred twenty-two billion, two million, twenty-two thousand, one hundred eleven".