4221375871601 has 32 divisors (see below), whose sum is σ = 5038554416640. Its totient is φ = 3461091379200.

The previous prime is 4221375871591. The next prime is 4221375871621. The reversal of 4221375871601 is 1061785731224.

It is not a de Polignac number, because 4221375871601 - 2³⁸ = 3946497964657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221375871621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32148641 + ... + 32279681.

It is an arithmetic number, because the mean of its divisors is an integer number (157454825520).

Almost surely, 2^{4221375871601} is an apocalyptic number.

It is an amenable number.

4221375871601 is a deficient number, since it is larger than the sum of its proper divisors (817178545039).

4221375871601 is a wasteful number, since it uses less digits than its factorization.

4221375871601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133185.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 4221375871601 in words is "four trillion, two hundred twenty-one billion, three hundred seventy-five million, eight hundred seventy-one thousand, six hundred one".