122221112020011 has 24 divisors (see below), whose sum is σ = 183080843762544. Its totient is φ = 81480447832320.

The previous prime is 122221112020003. The next prime is 122221112020013. The reversal of 122221112020011 is 110020211122221.

122221112020011 is a `hidden beast` number, since 1 + 222 + 211 + 1 + 20 + 200 + 11 = 666.

It is not a de Polignac number, because 122221112020011 - 2³ = 122221112020003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122221112020013) 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, 82433671 + ... + 83903231.

It is an arithmetic number, because the mean of its divisors is an integer number (7628368490106).

Almost surely, 2^{122221112020011} is an apocalyptic number.

122221112020011 is a deficient number, since it is larger than the sum of its proper divisors (60859731742533).

122221112020011 is an equidigital number, since it uses as much as digits as its factorization.

122221112020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811833 (or 1811821 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122221112020011 its reverse (110020211122221), we get a palindrome (232241323142232).

The spelling of 122221112020011 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, twenty thousand, eleven".