1415240221001 has 4 divisors (see below), whose sum is σ = 1415297970372. Its totient is φ = 1415182471632.

The previous prime is 1415240220887. The next prime is 1415240221007. The reversal of 1415240221001 is 1001220425141.

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 700033422400 + 715206798601 = 836680^2 + 845699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1415240221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1415240221007) 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, 28837910 + ... + 28886943.

It is an arithmetic number, because the mean of its divisors is an integer number (353824492593).

Almost surely, 2^{1415240221001} is an apocalyptic number.

It is an amenable number.

1415240221001 is a deficient number, since it is larger than the sum of its proper divisors (57749371).

1415240221001 is an equidigital number, since it uses as much as digits as its factorization.

1415240221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57749370.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 1415240221001 its reverse (1001220425141), we get a palindrome (2416460646142).

The spelling of 1415240221001 in words is "one trillion, four hundred fifteen billion, two hundred forty million, two hundred twenty-one thousand, one".