2102141281 has 8 divisors (see below), whose sum is σ = 2226279744. Its totient is φ = 1980731280.

The previous prime is 2102141269. The next prime is 2102141287. The reversal of 2102141281 is 1821412012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102141281 - 2²³ = 2093752673 is a prime.

It is a super-2 number, since 2×2102141281² = 8837995930568641922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102141287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680530 + ... + 683611.

It is an arithmetic number, because the mean of its divisors is an integer number (278284968).

Almost surely, 2^2102141281 is an apocalyptic number.

It is an amenable number.

2102141281 is a deficient number, since it is larger than the sum of its proper divisors (124138463).

2102141281 is a wasteful number, since it uses less digits than its factorization.

2102141281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364231.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 2102141281 is about 45849.1142880645. The cubic root of 2102141281 is about 1281.0142679031.

Adding to 2102141281 its reverse (1821412012), we get a palindrome (3923553293).

The spelling of 2102141281 in words is "two billion, one hundred two million, one hundred forty-one thousand, two hundred eighty-one".