2121020022 has 32 divisors (see below), whose sum is σ = 4629417984. Its totient is φ = 642492000.

The previous prime is 2121019997. The next prime is 2121020039. The reversal of 2121020022 is 2200201212.

It is a super-3 number, since 3×2121020022³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257772 + ... + 265872.

It is an arithmetic number, because the mean of its divisors is an integer number (144669312).

Almost surely, 2^2121020022 is an apocalyptic number.

2121020022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121020022 is an abundant number, since it is smaller than the sum of its proper divisors (2508397962).

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

2121020022 is a wasteful number, since it uses less digits than its factorization.

2121020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2121020022 is about 46054.5331319296. The cubic root of 2121020022 is about 1284.8376549536.

Adding to 2121020022 its reverse (2200201212), we get a palindrome (4321221234).

The spelling of 2121020022 in words is "two billion, one hundred twenty-one million, twenty thousand, twenty-two".