21214043303132 has 24 divisors (see below), whose sum is σ = 37158866624880. Its totient is φ = 10597227699200.

The previous prime is 21214043302981. The next prime is 21214043303153. The reversal of 21214043303132 is 23130334041212.

It is a junction number, because it is equal to n+sod(n) for n = 21214043303095 and 21214043303104.

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, 24467258 + ... + 25319454.

It is an arithmetic number, because the mean of its divisors is an integer number (1548286109370).

Almost surely, 2^{21214043303132} is an apocalyptic number.

It is an amenable number.

21214043303132 is a deficient number, since it is larger than the sum of its proper divisors (15944823321748).

21214043303132 is a wasteful number, since it uses less digits than its factorization.

21214043303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857941 (or 857939 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 21214043303132 its reverse (23130334041212), we get a palindrome (44344377344344).

The spelling of 21214043303132 in words is "twenty-one trillion, two hundred fourteen billion, forty-three million, three hundred three thousand, one hundred thirty-two".