21132514422242 has 8 divisors (see below), whose sum is σ = 31712742011100. Its totient is φ = 10561600418544.

The previous prime is 21132514422241. The next prime is 21132514422269. The reversal of 21132514422242 is 24222441523112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20558706657241 + 573807765001 = 4534171^2 + 757501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21132514422242² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21132514422241) 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, 2328390617 + ... + 2328399692.

Almost surely, 2^{21132514422242} is an apocalyptic number.

21132514422242 is a deficient number, since it is larger than the sum of its proper divisors (10580227588858).

21132514422242 is a wasteful number, since it uses less digits than its factorization.

21132514422242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656792580.

The product of its digits is 61440, while the sum is 35.

Adding to 21132514422242 its reverse (24222441523112), we get a palindrome (45354955945354).

The spelling of 21132514422242 in words is "twenty-one trillion, one hundred thirty-two billion, five hundred fourteen million, four hundred twenty-two thousand, two hundred forty-two".