21134412143030 has 64 divisors (see below), whose sum is σ = 39611227201920. Its totient is φ = 8111397417984.

The previous prime is 21134412143021. The next prime is 21134412143041. The reversal of 21134412143030 is 3034121443112.

It is a junction number, because it is equal to n+sod(n) for n = 21134412142984 and 21134412143002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192445376 + ... + 192555164.

It is an arithmetic number, because the mean of its divisors is an integer number (618925425030).

Almost surely, 2^{21134412143030} is an apocalyptic number.

21134412143030 is a deficient number, since it is larger than the sum of its proper divisors (18476815058890).

21134412143030 is a wasteful number, since it uses less digits than its factorization.

21134412143030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117033.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21134412143030 its reverse (3034121443112), we get a palindrome (24168533586142).

The spelling of 21134412143030 in words is "twenty-one trillion, one hundred thirty-four billion, four hundred twelve million, one hundred forty-three thousand, thirty".