21113025214 has 16 divisors (see below), whose sum is σ = 33049707552. Its totient is φ = 10096545888.

The previous prime is 21113025163. The next prime is 21113025229. The reversal of 21113025214 is 41252031112.

It is a congruent number.

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, 709132 + ... + 738304.

It is an arithmetic number, because the mean of its divisors is an integer number (2065606722).

Almost surely, 2^21113025214 is an apocalyptic number.

21113025214 is a deficient number, since it is larger than the sum of its proper divisors (11936682338).

21113025214 is a wasteful number, since it uses less digits than its factorization.

21113025214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44931.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 21113025214 its reverse (41252031112), we get a palindrome (62365056326).

The spelling of 21113025214 in words is "twenty-one billion, one hundred thirteen million, twenty-five thousand, two hundred fourteen".