122112211322011 has 4 divisors (see below), whose sum is σ = 122113550612512. Its totient is φ = 122110872031512.

The previous prime is 122112211321931. The next prime is 122112211322041. The reversal of 122112211322011 is 110223112211221.

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 122112211322011 - 2²⁹ = 122111674451099 is a prime.

It is a super-2 number, since 2×122112211322011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112211322041) 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, 669508476 + ... + 669690841.

It is an arithmetic number, because the mean of its divisors is an integer number (30528387653128).

Almost surely, 2^{122112211322011} is an apocalyptic number.

122112211322011 is a deficient number, since it is larger than the sum of its proper divisors (1339290501).

122112211322011 is an equidigital number, since it uses as much as digits as its factorization.

122112211322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339290500.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 122112211322011 its reverse (110223112211221), we get a palindrome (232335323533232).

The spelling of 122112211322011 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred eleven million, three hundred twenty-two thousand, eleven".