122222020011 has 36 divisors (see below), whose sum is σ = 205272817272. Its totient is φ = 64468744704.

The previous prime is 122222020009. The next prime is 122222020027. The reversal of 122222020011 is 110020222221.

It is not a de Polignac number, because 122222020011 - 2¹ = 122222020009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122222020211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2435046 + ... + 2484731.

It is an arithmetic number, because the mean of its divisors is an integer number (5702022702).

Almost surely, 2^122222020011 is an apocalyptic number.

122222020011 is a deficient number, since it is larger than the sum of its proper divisors (83050797261).

122222020011 is a wasteful number, since it uses less digits than its factorization.

122222020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919820 (or 4919800 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122222020011 its reverse (110020222221), we get a palindrome (232242242232).

The spelling of 122222020011 in words is "one hundred twenty-two billion, two hundred twenty-two million, twenty thousand, eleven".