21124150094 has 12 divisors (see below), whose sum is σ = 32374751064. Its totient is φ = 10337347884.

The previous prime is 21124150079. The next prime is 21124150097. The reversal of 21124150094 is 49005142112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21124150097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2386274 + ... + 2395109.

It is an arithmetic number, because the mean of its divisors is an integer number (2697895922).

Almost surely, 2^21124150094 is an apocalyptic number.

21124150094 is a deficient number, since it is larger than the sum of its proper divisors (11250600970).

21124150094 is an equidigital number, since it uses as much as digits as its factorization.

21124150094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781479 (or 4781432 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 21124150094 in words is "twenty-one billion, one hundred twenty-four million, one hundred fifty thousand, ninety-four".