21114042421234 has 8 divisors (see below), whose sum is σ = 36195501293568. Its totient is φ = 9048875323380.

The previous prime is 21114042421163. The next prime is 21114042421249. The reversal of 21114042421234 is 43212424041112.

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

It is a junction number, because it is equal to n+sod(n) for n = 21114042421196 and 21114042421205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754072943602 + ... + 754072943629.

It is an arithmetic number, because the mean of its divisors is an integer number (4524437661696).

Almost surely, 2^{21114042421234} is an apocalyptic number.

21114042421234 is a deficient number, since it is larger than the sum of its proper divisors (15081458872334).

21114042421234 is a wasteful number, since it uses less digits than its factorization.

21114042421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508145887240.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 21114042421234 its reverse (43212424041112), we get a palindrome (64326466462346).

The spelling of 21114042421234 in words is "twenty-one trillion, one hundred fourteen billion, forty-two million, four hundred twenty-one thousand, two hundred thirty-four".