122020220012011 has 4 divisors (see below), whose sum is σ = 122029818091272. Its totient is φ = 122010621932752.

The previous prime is 122020220011999. The next prime is 122020220012077. The reversal of 122020220012011 is 110210022020221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122020220012011 - 2²⁵ = 122020186457579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020220012111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4799020561 + ... + 4799045986.

It is an arithmetic number, because the mean of its divisors is an integer number (30507454522818).

Almost surely, 2^{122020220012011} is an apocalyptic number.

122020220012011 is a deficient number, since it is larger than the sum of its proper divisors (9598079261).

122020220012011 is an equidigital number, since it uses as much as digits as its factorization.

122020220012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9598079260.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122020220012011 its reverse (110210022020221), we get a palindrome (232230242032232).

The spelling of 122020220012011 in words is "one hundred twenty-two trillion, twenty billion, two hundred twenty million, twelve thousand, eleven".