122122102011 has 32 divisors (see below), whose sum is σ = 203150814720. Its totient is φ = 63533631744.

The previous prime is 122122102009. The next prime is 122122102021. The reversal of 122122102011 is 110201221221.

It is not a de Polignac number, because 122122102011 - 2¹ = 122122102009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122122102001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3044001 + ... + 3083858.

It is an arithmetic number, because the mean of its divisors is an integer number (6348462960).

Almost surely, 2^122122102011 is an apocalyptic number.

122122102011 is a deficient number, since it is larger than the sum of its proper divisors (81028712709).

122122102011 is a wasteful number, since it uses less digits than its factorization.

122122102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127955.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122122102011 its reverse (110201221221), we get a palindrome (232323323232).

The spelling of 122122102011 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, eleven".