10215451201 has 4 divisors (see below), whose sum is σ = 10218594772. Its totient is φ = 10212307632.

The previous prime is 10215451187. The next prime is 10215451247.

10215451201 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5259150400 + 4956300801 = 72520^2 + 70401^2 .

It is a cyclic number.

It is not a de Polignac number, because 10215451201 - 2¹⁹ = 10214926913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10215451291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566906 + ... + 1573411.

It is an arithmetic number, because the mean of its divisors is an integer number (2554648693).

Almost surely, 2^10215451201 is an apocalyptic number.

It is an amenable number.

10215451201 is a deficient number, since it is larger than the sum of its proper divisors (3143571).

10215451201 is an equidigital number, since it uses as much as digits as its factorization.

10215451201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143570.

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 10215451201 in words is "ten billion, two hundred fifteen million, four hundred fifty-one thousand, two hundred one".