21303242223986 has 16 divisors (see below), whose sum is σ = 33449392010304. Its totient is φ = 10156366742544.

The previous prime is 21303242223973. The next prime is 21303242224007. The reversal of 21303242223986 is 68932224230312.

It is a self number, because there is not a number n which added to its sum of digits gives 21303242223986.

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, 730449080 + ... + 730478243.

It is an arithmetic number, because the mean of its divisors is an integer number (2090587000644).

Almost surely, 2^{21303242223986} is an apocalyptic number.

21303242223986 is a deficient number, since it is larger than the sum of its proper divisors (12146149786318).

21303242223986 is a wasteful number, since it uses less digits than its factorization.

21303242223986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460927665.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 21303242223986 in words is "twenty-one trillion, three hundred three billion, two hundred forty-two million, two hundred twenty-three thousand, nine hundred eighty-six".