21107766230 has 16 divisors (see below), whose sum is σ = 37995946560. Its totient is φ = 8442669312.

The previous prime is 21107766227. The next prime is 21107766263. The reversal of 21107766230 is 3266770112.

It is a congruent number.

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, 208451 + ... + 292689.

It is an arithmetic number, because the mean of its divisors is an integer number (2374746660).

Almost surely, 2^21107766230 is an apocalyptic number.

21107766230 is a deficient number, since it is larger than the sum of its proper divisors (16888180330).

21107766230 is a wasteful number, since it uses less digits than its factorization.

21107766230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109303.

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 21107766230 in words is "twenty-one billion, one hundred seven million, seven hundred sixty-six thousand, two hundred thirty".