20122220120011 has 8 divisors (see below), whose sum is σ = 20348398823760. Its totient is φ = 19896043335168.

The previous prime is 20122220119993. The next prime is 20122220120027. The reversal of 20122220120011 is 11002102222102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20122220120011 - 2⁹ = 20122220119499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122220520011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36789640 + ... + 37332586.

It is an arithmetic number, because the mean of its divisors is an integer number (2543549852970).

Almost surely, 2^{20122220120011} is an apocalyptic number.

20122220120011 is a deficient number, since it is larger than the sum of its proper divisors (226178703749).

20122220120011 is an equidigital number, since it uses as much as digits as its factorization.

20122220120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959453.

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

Adding to 20122220120011 its reverse (11002102222102), we get a palindrome (31124322342113).

The spelling of 20122220120011 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, eleven".