21114243002 has 8 divisors (see below), whose sum is σ = 31712338836. Its totient is φ = 10543463392.

The previous prime is 21114242983. The next prime is 21114243023. The reversal of 21114243002 is 20034241112.

It can be written as a sum of positive squares in 2 ways, for example, as 20987027161 + 127215841 = 144869^2 + 11279^2 .

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

It is a super-2 number, since 2×21114243002² (a number of 21 digits) contains 22 as substring.

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, 6827123 + ... + 6830214.

Almost surely, 2^21114243002 is an apocalyptic number.

21114243002 is a deficient number, since it is larger than the sum of its proper divisors (10598095834).

21114243002 is a wasteful number, since it uses less digits than its factorization.

21114243002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13658112.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21114243002 its reverse (20034241112), we get a palindrome (41148484114).

The spelling of 21114243002 in words is "twenty-one billion, one hundred fourteen million, two hundred forty-three thousand, two".