2122093281 has 24 divisors (see below), whose sum is σ = 3554364352. Its totient is φ = 1102384800.

The previous prime is 2122093279. The next prime is 2122093291. The reversal of 2122093281 is 1823902212.

It is not a de Polignac number, because 2122093281 - 2¹ = 2122093279 is a prime.

It is a super-2 number, since 2×2122093281² = 9006559786530689922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122093271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415030 + ... + 420111.

Almost surely, 2^2122093281 is an apocalyptic number.

2122093281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2122093281 is a deficient number, since it is larger than the sum of its proper divisors (1432271071).

2122093281 is a wasteful number, since it uses less digits than its factorization.

2122093281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835173 (or 835162 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2122093281 is about 46066.1837034500. The cubic root of 2122093281 is about 1285.0543323129.

Adding to 2122093281 its reverse (1823902212), we get a palindrome (3945995493).

The spelling of 2122093281 in words is "two billion, one hundred twenty-two million, ninety-three thousand, two hundred eighty-one".