5244562302121 has 4 divisors (see below), whose sum is σ = 5248359959044. Its totient is φ = 5240764645200.

The previous prime is 5244562302113. The next prime is 5244562302179. The reversal of 5244562302121 is 1212032654425.

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 1524817477225 + 3719744824896 = 1234835^2 + 1928664^2 .

It is a cyclic number.

It is not a de Polignac number, because 5244562302121 - 2³ = 5244562302113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5244562308121) 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, 1898826390 + ... + 1898829151.

It is an arithmetic number, because the mean of its divisors is an integer number (1312089989761).

Almost surely, 2^{5244562302121} is an apocalyptic number.

It is an amenable number.

5244562302121 is a deficient number, since it is larger than the sum of its proper divisors (3797656923).

5244562302121 is a wasteful number, since it uses less digits than its factorization.

5244562302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797656922.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 5244562302121 its reverse (1212032654425), we get a palindrome (6456594956546).

The spelling of 5244562302121 in words is "five trillion, two hundred forty-four billion, five hundred sixty-two million, three hundred two thousand, one hundred twenty-one".