21111214132 has 24 divisors (see below), whose sum is σ = 37466374400. Its totient is φ = 10407432096.

The previous prime is 21111214123. The next prime is 21111214141. The reversal of 21111214132 is 23141211112.

It is an interprime number because it is at equal distance from previous prime (21111214123) and next prime (21111214141).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17532 + ... + 206227.

Almost surely, 2^21111214132 is an apocalyptic number.

It is an amenable number.

21111214132 is a deficient number, since it is larger than the sum of its proper divisors (16355160268).

21111214132 is a wasteful number, since it uses less digits than its factorization.

21111214132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224095 (or 224093 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 21111214132 its reverse (23141211112), we get a palindrome (44252425244).

The spelling of 21111214132 in words is "twenty-one billion, one hundred eleven million, two hundred fourteen thousand, one hundred thirty-two".