4101221287 has 16 divisors (see below), whose sum is σ = 4567007232. Its totient is φ = 3663031680.

The previous prime is 4101221239. The next prime is 4101221317. The reversal of 4101221287 is 7821221014.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4101221287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101221087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8362 + ... + 90952.

It is an arithmetic number, because the mean of its divisors is an integer number (285437952).

Almost surely, 2^4101221287 is an apocalyptic number.

4101221287 is a deficient number, since it is larger than the sum of its proper divisors (465785945).

4101221287 is a wasteful number, since it uses less digits than its factorization.

4101221287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82758.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 4101221287 is about 64040.7783135090. The cubic root of 4101221287 is about 1600.6795664057.

The spelling of 4101221287 in words is "four billion, one hundred one million, two hundred twenty-one thousand, two hundred eighty-seven".