122022221211 has 24 divisors (see below), whose sum is σ = 202397307840. Its totient is φ = 70060604400.

The previous prime is 122022221207. The next prime is 122022221281. The reversal of 122022221211 is 112122220221.

It is a happy number.

122022221211 is a `hidden beast` number, since 1 + 220 + 222 + 212 + 11 = 666.

It is not a de Polignac number, because 122022221211 - 2² = 122022221207 is a prime.

It is a super-4 number, since 4×122022221211⁴ (a number of 45 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (122022221201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32433585 + ... + 32437346.

It is an arithmetic number, because the mean of its divisors is an integer number (8433221160).

Almost surely, 2^122022221211 is an apocalyptic number.

122022221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122022221211 is a deficient number, since it is larger than the sum of its proper divisors (80375086629).

122022221211 is a wasteful number, since it uses less digits than its factorization.

122022221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64870967 (or 64870964 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122022221211 its reverse (112122220221), we get a palindrome (234144441432).

The spelling of 122022221211 in words is "one hundred twenty-two billion, twenty-two million, two hundred twenty-one thousand, two hundred eleven".