20220111012021 has 8 divisors (see below), whose sum is σ = 26961104806944. Its totient is φ = 13479595612560.

The previous prime is 20220111012011. The next prime is 20220111012047. The reversal of 20220111012021 is 12021011102202.

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

It is not a de Polignac number, because 20220111012021 - 2³⁷ = 20082672058549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220111012011) 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, 119500231 + ... + 119669316.

It is an arithmetic number, because the mean of its divisors is an integer number (3370138100868).

Almost surely, 2^{20220111012021} is an apocalyptic number.

It is an amenable number.

20220111012021 is a deficient number, since it is larger than the sum of its proper divisors (6740993794923).

20220111012021 is a wasteful number, since it uses less digits than its factorization.

20220111012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239197731.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20220111012021 its reverse (12021011102202), we get a palindrome (32241122114223).

The spelling of 20220111012021 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, twelve thousand, twenty-one".