1514230010021 has 4 divisors (see below), whose sum is σ = 1514567936844. Its totient is φ = 1513892083200.

The previous prime is 1514230010011. The next prime is 1514230010087. The reversal of 1514230010021 is 1200100324151.

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 814641630625 + 699588379396 = 902575^2 + 836414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1514230010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1514230009975 and 1514230010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1514230010011) 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, 168956690 + ... + 168965651.

It is an arithmetic number, because the mean of its divisors is an integer number (378641984211).

Almost surely, 2^{1514230010021} is an apocalyptic number.

It is an amenable number.

1514230010021 is a deficient number, since it is larger than the sum of its proper divisors (337926823).

1514230010021 is an equidigital number, since it uses as much as digits as its factorization.

1514230010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337926822.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 1514230010021 its reverse (1200100324151), we get a palindrome (2714330334172).

The spelling of 1514230010021 in words is "one trillion, five hundred fourteen billion, two hundred thirty million, ten thousand, twenty-one".