21366472101034 has 32 divisors (see below), whose sum is σ = 32441129416080. Its totient is φ = 10553363251200.

The previous prime is 21366472101019. The next prime is 21366472101049. The reversal of 21366472101034 is 43010127466312.

It is an interprime number because it is at equal distance from previous prime (21366472101019) and next prime (21366472101049).

It can be written as a sum of positive squares in 8 ways, for example, as 20276333555625 + 1090138545409 = 4502925^2 + 1044097^2 .

It is a super-2 number, since 2×21366472101034² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498717454 + ... + 498760294.

Almost surely, 2^{21366472101034} is an apocalyptic number.

21366472101034 is a deficient number, since it is larger than the sum of its proper divisors (11074657315046).

21366472101034 is a wasteful number, since it uses less digits than its factorization.

21366472101034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49786.

The product of its (nonzero) digits is 145152, while the sum is 40.

Adding to 21366472101034 its reverse (43010127466312), we get a palindrome (64376599567346).

The spelling of 21366472101034 in words is "twenty-one trillion, three hundred sixty-six billion, four hundred seventy-two million, one hundred one thousand, thirty-four".