21213434114 has 8 divisors (see below), whose sum is σ = 32497175808. Its totient is φ = 10381042180.

The previous prime is 21213434059. The next prime is 21213434147. The reversal of 21213434114 is 41143431212.

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

It is a Curzon number.

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, 112837322 + ... + 112837509.

It is an arithmetic number, because the mean of its divisors is an integer number (4062146976).

Almost surely, 2^21213434114 is an apocalyptic number.

21213434114 is a deficient number, since it is larger than the sum of its proper divisors (11283741694).

21213434114 is a wasteful number, since it uses less digits than its factorization.

21213434114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225674880.

The product of its digits is 2304, while the sum is 26.

Adding to 21213434114 its reverse (41143431212), we get a palindrome (62356865326).

The spelling of 21213434114 in words is "twenty-one billion, two hundred thirteen million, four hundred thirty-four thousand, one hundred fourteen".