21214131152332 has 12 divisors (see below), whose sum is σ = 37124773342776. Its totient is φ = 10607053054400.

The previous prime is 21214131152327. The next prime is 21214131152359. The reversal of 21214131152332 is 23325113141212.

It is a junction number, because it is equal to n+sod(n) for n = 21214131152294 and 21214131152303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414707 + ... + 6665557.

It is an arithmetic number, because the mean of its divisors is an integer number (3093731111898).

Almost surely, 2^{21214131152332} is an apocalyptic number.

It is an amenable number.

21214131152332 is a deficient number, since it is larger than the sum of its proper divisors (15910642190444).

21214131152332 is a wasteful number, since it uses less digits than its factorization.

21214131152332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260888 (or 6260886 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

Adding to 21214131152332 its reverse (23325113141212), we get a palindrome (44539244293544).

The spelling of 21214131152332 in words is "twenty-one trillion, two hundred fourteen billion, one hundred thirty-one million, one hundred fifty-two thousand, three hundred thirty-two".