21114433210 has 16 divisors (see below), whose sum is σ = 40929516936. Its totient is φ = 7796098368.

The previous prime is 21114433201. The next prime is 21114433321. The reversal of 21114433210 is 1233441112.

It can be written as a sum of positive squares in 4 ways, for example, as 17500379521 + 3614053689 = 132289^2 + 60117^2 .

It is a super-3 number, since 3×21114433210³ (a number of 32 digits) contains 333 as substring.

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, 81209229 + ... + 81209488.

Almost surely, 2^21114433210 is an apocalyptic number.

21114433210 is a deficient number, since it is larger than the sum of its proper divisors (19815083726).

21114433210 is a wasteful number, since it uses less digits than its factorization.

21114433210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162418737.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21114433210 its reverse (1233441112), we get a palindrome (22347874322).

The spelling of 21114433210 in words is "twenty-one billion, one hundred fourteen million, four hundred thirty-three thousand, two hundred ten".