122012221200011 has 4 divisors (see below), whose sum is σ = 122052396448752. Its totient is φ = 121972045951272.

The previous prime is 122012221199971. The next prime is 122012221200013. The reversal of 122012221200011 is 110002122210221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122012221200011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012221200013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20087619815 + ... + 20087625888.

It is an arithmetic number, because the mean of its divisors is an integer number (30513099112188).

Almost surely, 2^{122012221200011} is an apocalyptic number.

122012221200011 is a deficient number, since it is larger than the sum of its proper divisors (40175248741).

122012221200011 is an equidigital number, since it uses as much as digits as its factorization.

122012221200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40175248740.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122012221200011 its reverse (110002122210221), we get a palindrome (232014343410232).

The spelling of 122012221200011 in words is "one hundred twenty-two trillion, twelve billion, two hundred twenty-one million, two hundred thousand, eleven".