20422240121211 has 8 divisors (see below), whose sum is σ = 27229696077120. Its totient is φ = 13614805456392.

The previous prime is 20422240121117. The next prime is 20422240121249. The reversal of 20422240121211 is 11212104222402.

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

It is not a de Polignac number, because 20422240121211 - 2⁹ = 20422240120699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20422240123211) 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, 2931141 + ... + 7031078.

It is an arithmetic number, because the mean of its divisors is an integer number (3403712009640).

Almost surely, 2^{20422240121211} is an apocalyptic number.

20422240121211 is a deficient number, since it is larger than the sum of its proper divisors (6807455955909).

20422240121211 is an equidigital number, since it uses as much as digits as its factorization.

20422240121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645545.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 20422240121211 its reverse (11212104222402), we get a palindrome (31634344343613).

The spelling of 20422240121211 in words is "twenty trillion, four hundred twenty-two billion, two hundred forty million, one hundred twenty-one thousand, two hundred eleven".