21111301132 has 6 divisors (see below), whose sum is σ = 36944776988. Its totient is φ = 10555650564.

The previous prime is 21111301087. The next prime is 21111301153. The reversal of 21111301132 is 23110311112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2638912638 + ... + 2638912645.

Almost surely, 2^21111301132 is an apocalyptic number.

It is an amenable number.

21111301132 is a deficient number, since it is larger than the sum of its proper divisors (15833475856).

21111301132 is a wasteful number, since it uses less digits than its factorization.

21111301132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277825287 (or 5277825285 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21111301132 its reverse (23110311112), we get a palindrome (44221612244).

The spelling of 21111301132 in words is "twenty-one billion, one hundred eleven million, three hundred one thousand, one hundred thirty-two".