4921941312221 has 8 divisors (see below), whose sum is σ = 5037375884640. Its totient is φ = 4806550868112.

The previous prime is 4921941312199. The next prime is 4921941312251. The reversal of 4921941312221 is 1222131491294.

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 4921941312221 - 2¹⁴ = 4921941295837 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 (4921941312251) 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, 10806335 + ... + 11252588.

It is an arithmetic number, because the mean of its divisors is an integer number (629671985580).

Almost surely, 2^{4921941312221} is an apocalyptic number.

It is an amenable number.

4921941312221 is a deficient number, since it is larger than the sum of its proper divisors (115434572419).

4921941312221 is a wasteful number, since it uses less digits than its factorization.

4921941312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22064155.

The product of its digits is 62208, while the sum is 41.

The spelling of 4921941312221 in words is "four trillion, nine hundred twenty-one billion, nine hundred forty-one million, three hundred twelve thousand, two hundred twenty-one".