122022022111 has 4 divisors (see below), whose sum is σ = 133114933224. Its totient is φ = 110929111000.

The previous prime is 122022022099. The next prime is 122022022117. The reversal of 122022022111 is 111220220221.

It is a happy number.

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 122022022111 - 2⁹ = 122022021599 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 (122022022117) 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, 5546455540 + ... + 5546455561.

It is an arithmetic number, because the mean of its divisors is an integer number (33278733306).

Almost surely, 2^122022022111 is an apocalyptic number.

122022022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122022022111 is a deficient number, since it is larger than the sum of its proper divisors (11092911113).

122022022111 is a wasteful number, since it uses less digits than its factorization.

122022022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092911112.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122022022111 its reverse (111220220221), we get a palindrome (233242242332).

It can be divided in two parts, 1220220221 and 11, that multiplied together give a palindrome (13422422431).

The spelling of 122022022111 in words is "one hundred twenty-two billion, twenty-two million, twenty-two thousand, one hundred eleven".