2021022200 has 48 divisors (see below), whose sum is σ = 4704140880. Its totient is φ = 807503360.

The previous prime is 2021022197. The next prime is 2021022217. The reversal of 2021022200 is 22201202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190229 + ... + 200571.

It is an arithmetic number, because the mean of its divisors is an integer number (98002935).

Almost surely, 2^2021022200 is an apocalyptic number.

2021022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021022200 is an abundant number, since it is smaller than the sum of its proper divisors (2683118680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021022200 is a wasteful number, since it uses less digits than its factorization.

2021022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336 (or 11327 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2021022200 is about 44955.7804959496. The cubic root of 2021022200 is about 1264.3200582850.

Adding to 2021022200 its reverse (22201202), we get a palindrome (2043223402).

The spelling of 2021022200 in words is "two billion, twenty-one million, twenty-two thousand, two hundred".