2022220100021 has 8 divisors (see below), whose sum is σ = 2206132773888. Its totient is φ = 1838319840000.

The previous prime is 2022220100011. The next prime is 2022220100057. The reversal of 2022220100021 is 1200010222202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022220100021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022220099969 and 2022220100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022220100011) 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, 2761205 + ... + 3415946.

It is an arithmetic number, because the mean of its divisors is an integer number (275766596736).

Almost surely, 2^{2022220100021} is an apocalyptic number.

It is an amenable number.

2022220100021 is a deficient number, since it is larger than the sum of its proper divisors (183912673867).

2022220100021 is a wasteful number, since it uses less digits than its factorization.

2022220100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206923.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2022220100021 its reverse (1200010222202), we get a palindrome (3222230322223).

The spelling of 2022220100021 in words is "two trillion, twenty-two billion, two hundred twenty million, one hundred thousand, twenty-one".