122001211 has 4 divisors (see below), whose sum is σ = 122028624. Its totient is φ = 121973800.

The previous prime is 122001181. The next prime is 122001221. The reversal of 122001211 is 112100221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112100221 = 2029 ⋅55249.

It is a cyclic number.

It is not a de Polignac number, because 122001211 - 2⁵ = 122001179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001221) 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, 5320 + ... + 16501.

It is an arithmetic number, because the mean of its divisors is an integer number (30507156).

Almost surely, 2^122001211 is an apocalyptic number.

122001211 is a deficient number, since it is larger than the sum of its proper divisors (27413).

122001211 is an equidigital number, since it uses as much as digits as its factorization.

122001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27412.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 122001211 is about 11045.4158364455. The cubic root of 122001211 is about 495.9692074081.

Adding to 122001211 its reverse (112100221), we get a palindrome (234101432).

The spelling of 122001211 in words is "one hundred twenty-two million, one thousand, two hundred eleven".