21101162 has 8 divisors (see below), whose sum is σ = 31672992. Its totient is φ = 10543500.

The previous prime is 21101123. The next prime is 21101207. The reversal of 21101162 is 26110112.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (3959124).

Almost surely, 2^21101162 is an apocalyptic number.

21101162 is a deficient number, since it is larger than the sum of its proper divisors (10571830).

21101162 is a wasteful number, since it uses less digits than its factorization.

21101162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 21101162 is about 4593.6001132010. The cubic root of 21101162 is about 276.3347213240.

Adding to 21101162 its reverse (26110112), we get a palindrome (47211274).

The spelling of 21101162 in words is "twenty-one million, one hundred one thousand, one hundred sixty-two".