21422300421034 has 16 divisors (see below), whose sum is σ = 32207473967400. Its totient is φ = 10686490005184.

The previous prime is 21422300420981. The next prime is 21422300421043. The reversal of 21422300421034 is 43012400322412.

It can be written as a sum of positive squares in 4 ways, for example, as 20296691884225 + 1125608536809 = 4505185^2 + 1060947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21422300420993 and 21422300421011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548029 + ... + 6568480.

Almost surely, 2^{21422300421034} is an apocalyptic number.

21422300421034 is a deficient number, since it is larger than the sum of its proper divisors (10785173546366).

21422300421034 is a wasteful number, since it uses less digits than its factorization.

21422300421034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119977.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 21422300421034 its reverse (43012400322412), we get a palindrome (64434700743446).

The spelling of 21422300421034 in words is "twenty-one trillion, four hundred twenty-two billion, three hundred million, four hundred twenty-one thousand, thirty-four".