20220102012221 has 8 divisors (see below), whose sum is σ = 20341335618240. Its totient is φ = 20098870253568.

The previous prime is 20220102012211. The next prime is 20220102012233. The reversal of 20220102012221 is 12221020102202.

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 20220102012221 - 2³⁴ = 20202922143037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20220102012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220102012211) 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, 26038250 + ... + 26803556.

It is an arithmetic number, because the mean of its divisors is an integer number (2542666952280).

Almost surely, 2^{20220102012221} is an apocalyptic number.

It is an amenable number.

20220102012221 is a deficient number, since it is larger than the sum of its proper divisors (121233606019).

20220102012221 is a wasteful number, since it uses less digits than its factorization.

20220102012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923683.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20220102012221 its reverse (12221020102202), we get a palindrome (32441122114423).

The spelling of 20220102012221 in words is "twenty trillion, two hundred twenty billion, one hundred two million, twelve thousand, two hundred twenty-one".