21116144030 has 8 divisors (see below), whose sum is σ = 38009059272. Its totient is φ = 8446457608.

The previous prime is 21116144029. The next prime is 21116144053. The reversal of 21116144030 is 3044161112.

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 = 21116143987 and 21116144005.

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, 1055807192 + ... + 1055807211.

It is an arithmetic number, because the mean of its divisors is an integer number (4751132409).

Almost surely, 2^21116144030 is an apocalyptic number.

21116144030 is a deficient number, since it is larger than the sum of its proper divisors (16892915242).

21116144030 is a wasteful number, since it uses less digits than its factorization.

21116144030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111614410.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 21116144030 in words is "twenty-one billion, one hundred sixteen million, one hundred forty-four thousand, thirty".