10221540001 has 4 divisors (see below), whose sum is σ = 10295076400. Its totient is φ = 10148003604.

The previous prime is 10221539929. The next prime is 10221540023. The reversal of 10221540001 is 10004512201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10004512201 = 17659 ⋅566539.

It is a cyclic number.

It is not a de Polignac number, because 10221540001 - 2²³ = 10213151393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221540041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36767991 + ... + 36768268.

It is an arithmetic number, because the mean of its divisors is an integer number (2573769100).

Almost surely, 2^10221540001 is an apocalyptic number.

It is an amenable number.

10221540001 is a deficient number, since it is larger than the sum of its proper divisors (73536399).

10221540001 is an equidigital number, since it uses as much as digits as its factorization.

10221540001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73536398.

The product of its (nonzero) digits is 80, while the sum is 16.

The spelling of 10221540001 in words is "ten billion, two hundred twenty-one million, five hundred forty thousand, one".