122112210211 has 4 divisors (see below), whose sum is σ = 122155044424. Its totient is φ = 122069376000.

The previous prime is 122112210197. The next prime is 122112210223. The reversal of 122112210211 is 112012211221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112012211221 = 51749 ⋅2164529.

It is a cyclic number.

It is not a de Polignac number, because 122112210211 - 2⁹ = 122112209699 is a prime.

It is a super-2 number, since 2×122112210211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112210271) 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, 21412830 + ... + 21418531.

It is an arithmetic number, because the mean of its divisors is an integer number (30538761106).

Almost surely, 2^122112210211 is an apocalyptic number.

122112210211 is a deficient number, since it is larger than the sum of its proper divisors (42834213).

122112210211 is an equidigital number, since it uses as much as digits as its factorization.

122112210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42834212.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122112210211 its reverse (112012211221), we get a palindrome (234124421432).

The spelling of 122112210211 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, two hundred eleven".