21402000110 has 8 divisors (see below), whose sum is σ = 38523600216. Its totient is φ = 8560800040.

The previous prime is 21402000107. The next prime is 21402000161. The reversal of 21402000110 is 1100020412.

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

It is a junction number, because it is equal to n+sod(n) for n = 21402000091 and 21402000100.

It is a congruent number.

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, 1070099996 + ... + 1070100015.

It is an arithmetic number, because the mean of its divisors is an integer number (4815450027).

Almost surely, 2^21402000110 is an apocalyptic number.

21402000110 is a deficient number, since it is larger than the sum of its proper divisors (17121600106).

21402000110 is a wasteful number, since it uses less digits than its factorization.

21402000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140200018.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21402000110 its reverse (1100020412), we get a palindrome (22502020522).

The spelling of 21402000110 in words is "twenty-one billion, four hundred two million, one hundred ten", and thus it is an aban number.