21111132002 has 8 divisors (see below), whose sum is σ = 31667365200. Its totient is φ = 10555343604.

The previous prime is 21111131999. The next prime is 21111132011. The reversal of 21111132002 is 20023111112.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60449 + ... + 214187.

It is an arithmetic number, because the mean of its divisors is an integer number (3958420650).

Almost surely, 2^21111132002 is an apocalyptic number.

21111132002 is a deficient number, since it is larger than the sum of its proper divisors (10556233198).

21111132002 is a wasteful number, since it uses less digits than its factorization.

21111132002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222400.

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

Adding to 21111132002 its reverse (20023111112), we get a palindrome (41134243114).

The spelling of 21111132002 in words is "twenty-one billion, one hundred eleven million, one hundred thirty-two thousand, two".