122121022022 has 4 divisors (see below), whose sum is σ = 183181533036. Its totient is φ = 61060511010.

The previous prime is 122121022013. The next prime is 122121022039. The reversal of 122121022022 is 220220121221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220220121221 = 114277 ⋅1927073.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530255504 + ... + 30530255507.

It is an arithmetic number, because the mean of its divisors is an integer number (45795383259).

Almost surely, 2^122121022022 is an apocalyptic number.

122121022022 is a deficient number, since it is larger than the sum of its proper divisors (61060511014).

122121022022 is an equidigital number, since it uses as much as digits as its factorization.

122121022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61060511013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122121022022 its reverse (220220121221), we get a palindrome (342341143243).

The spelling of 122121022022 in words is "one hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, twenty-two".