21114421032 has 32 divisors (see below), whose sum is σ = 52790522400. Its totient is φ = 7037544384.

The previous prime is 21114420991. The next prime is 21114421049. The reversal of 21114421032 is 23012441112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323319 + ... + 383097.

It is an arithmetic number, because the mean of its divisors is an integer number (1649703825).

Almost surely, 2^21114421032 is an apocalyptic number.

It is an amenable number.

21114421032 is an abundant number, since it is smaller than the sum of its proper divisors (31676101368).

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

21114421032 is a wasteful number, since it uses less digits than its factorization.

21114421032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74505 (or 74501 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21114421032 its reverse (23012441112), we get a palindrome (44126862144).

The spelling of 21114421032 in words is "twenty-one billion, one hundred fourteen million, four hundred twenty-one thousand, thirty-two".