21421113114 has 64 divisors (see below), whose sum is σ = 45528514560. Its totient is φ = 6700034880.

The previous prime is 21421113101. The next prime is 21421113121. The reversal of 21421113114 is 41131112412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14346952 + ... + 14348444.

It is an arithmetic number, because the mean of its divisors is an integer number (711383040).

Almost surely, 2^21421113114 is an apocalyptic number.

21421113114 is an abundant number, since it is smaller than the sum of its proper divisors (24107401446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21421113114 is a wasteful number, since it uses less digits than its factorization.

21421113114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its digits is 192, while the sum is 21.

Adding to 21421113114 its reverse (41131112412), we get a palindrome (62552225526).

The spelling of 21421113114 in words is "twenty-one billion, four hundred twenty-one million, one hundred thirteen thousand, one hundred fourteen".