21111119283 has 8 divisors (see below), whose sum is σ = 28426854096. Its totient is φ = 13934732000.

The previous prime is 21111119209. The next prime is 21111119321. The reversal of 21111119283 is 38291111112.

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

It is a cyclic number.

It is not a de Polignac number, because 21111119283 - 2¹² = 21111115187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21111119283.

It is not an unprimeable number, because it can be changed into a prime (21111119083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34836528 + ... + 34837133.

It is an arithmetic number, because the mean of its divisors is an integer number (3553356762).

Almost surely, 2^21111119283 is an apocalyptic number.

21111119283 is a deficient number, since it is larger than the sum of its proper divisors (7315734813).

21111119283 is a wasteful number, since it uses less digits than its factorization.

21111119283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69673765.

The product of its digits is 864, while the sum is 30.

The spelling of 21111119283 in words is "twenty-one billion, one hundred eleven million, one hundred nineteen thousand, two hundred eighty-three".