2021022199 has 8 divisors (see below), whose sum is σ = 2356877600. Its totient is φ = 1732304448.

The previous prime is 2021022197. The next prime is 2021022217. The reversal of 2021022199 is 9912201202.

It is not a de Polignac number, because 2021022199 - 2¹ = 2021022197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021022197) 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, 2945754 + ... + 2946439.

It is an arithmetic number, because the mean of its divisors is an integer number (294609700).

Almost surely, 2^2021022199 is an apocalyptic number.

2021022199 is a deficient number, since it is larger than the sum of its proper divisors (335855401).

2021022199 is an frugal number, since it uses more digits than its factorization.

2021022199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892214 (or 5892200 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2021022199 is about 44955.7804848275. The cubic root of 2021022199 is about 1264.3200580764.

The spelling of 2021022199 in words is "two billion, twenty-one million, twenty-two thousand, one hundred ninety-nine".