2121051314 has 8 divisors (see below), whose sum is σ = 3185919660. Its totient is φ = 1059078096.

The previous prime is 2121051311. The next prime is 2121051379. The reversal of 2121051314 is 4131501212.

It can be written as a sum of positive squares in 2 ways, for example, as 1294776289 + 826275025 = 35983^2 + 28745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2121051314² = 8997717353242253192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121051311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721949 + ... + 724880.

Almost surely, 2^2121051314 is an apocalyptic number.

2121051314 is a deficient number, since it is larger than the sum of its proper divisors (1064868346).

2121051314 is a wasteful number, since it uses less digits than its factorization.

2121051314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447564.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2121051314 is about 46054.8728583632. The cubic root of 2121051314 is about 1284.8439734453.

Adding to 2121051314 its reverse (4131501212), we get a palindrome (6252552526).

The spelling of 2121051314 in words is "two billion, one hundred twenty-one million, fifty-one thousand, three hundred fourteen".