2121022352 has 20 divisors (see below), whose sum is σ = 4111624860. Its totient is φ = 1059957888.

The previous prime is 2121022333. The next prime is 2121022363. The reversal of 2121022352 is 2532201212.

It can be written as a sum of positive squares in 2 ways, for example, as 1362791056 + 758231296 = 36916^2 + 27536^2 .

It is a super-2 number, since 2×2121022352² = 8997471635367223808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027 + ... + 65162.

It is an arithmetic number, because the mean of its divisors is an integer number (205581243).

Almost surely, 2^2121022352 is an apocalyptic number.

It is an amenable number.

2121022352 is a deficient number, since it is larger than the sum of its proper divisors (1990602508).

2121022352 is a wasteful number, since it uses less digits than its factorization.

2121022352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69170 (or 69164 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2121022352 is about 46054.5584280210. The cubic root of 2121022352 is about 1284.8381254302.

Adding to 2121022352 its reverse (2532201212), we get a palindrome (4653223564).

The spelling of 2121022352 in words is "two billion, one hundred twenty-one million, twenty-two thousand, three hundred fifty-two".