21112498 has 8 divisors (see below), whose sum is σ = 34547760. Its totient is φ = 9596580.

The previous prime is 21112433. The next prime is 21112547. The reversal of 21112498 is 89421112.

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

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, 479808 + ... + 479851.

It is an arithmetic number, because the mean of its divisors is an integer number (4318470).

Almost surely, 2^21112498 is an apocalyptic number.

21112498 is a deficient number, since it is larger than the sum of its proper divisors (13435262).

21112498 is a wasteful number, since it uses less digits than its factorization.

21112498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959672.

The product of its digits is 1152, while the sum is 28.

The square root of 21112498 is about 4594.8338381273. The cubic root of 21112498 is about 276.3841967923.

The spelling of 21112498 in words is "twenty-one million, one hundred twelve thousand, four hundred ninety-eight".