20222021101 has 8 divisors (see below), whose sum is σ = 21505056120. Its totient is φ = 18949375488.

The previous prime is 20222021009. The next prime is 20222021161. The reversal of 20222021101 is 10112022202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11675018601 + 8547002500 = 108051^2 + 92450^2 .

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 20222021101 - 2¹⁵ = 20221988333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222021161) 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, 2593336 + ... + 2601121.

It is an arithmetic number, because the mean of its divisors is an integer number (2688132015).

Almost surely, 2^20222021101 is an apocalyptic number.

It is an amenable number.

20222021101 is a deficient number, since it is larger than the sum of its proper divisors (1283035019).

20222021101 is a wasteful number, since it uses less digits than its factorization.

20222021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194703.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20222021101 its reverse (10112022202), we get a palindrome (30334043303).

The spelling of 20222021101 in words is "twenty billion, two hundred twenty-two million, twenty-one thousand, one hundred one".