21011002114 has 16 divisors (see below), whose sum is σ = 32449065336. Its totient is φ = 10196064000.

The previous prime is 21011002087. The next prime is 21011002141. The reversal of 21011002114 is 41120011012.

21011002114 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (21011002087) and next prime (21011002141).

It can be written as a sum of positive squares in 4 ways, for example, as 20381845225 + 629156889 = 142765^2 + 25083^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21011002094 and 21011002103.

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, 324357 + ... + 383704.

Almost surely, 2^21011002114 is an apocalyptic number.

21011002114 is a deficient number, since it is larger than the sum of its proper divisors (11438063222).

21011002114 is a wasteful number, since it uses less digits than its factorization.

21011002114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708501.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21011002114 its reverse (41120011012), we get a palindrome (62131013126).

The spelling of 21011002114 in words is "twenty-one billion, eleven million, two thousand, one hundred fourteen".