2021100022 has 8 divisors (see below), whose sum is σ = 3163460976. Its totient is φ = 966613032.

The previous prime is 2021100019. The next prime is 2021100023. The reversal of 2021100022 is 2200011202.

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

It is a junction number, because it is equal to n+sod(n) for n = 2021099981 and 2021100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021100023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21968433 + ... + 21968524.

It is an arithmetic number, because the mean of its divisors is an integer number (395432622).

Almost surely, 2^2021100022 is an apocalyptic number.

2021100022 is a deficient number, since it is larger than the sum of its proper divisors (1142360954).

2021100022 is a wasteful number, since it uses less digits than its factorization.

2021100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43936982.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2021100022 is about 44956.6460270336. The cubic root of 2021100022 is about 1264.3362861543.

Adding to 2021100022 its reverse (2200011202), we get a palindrome (4221111224).

The spelling of 2021100022 in words is "two billion, twenty-one million, one hundred thousand, twenty-two".