21214050156532 has 24 divisors (see below), whose sum is σ = 37601805491712. Its totient is φ = 10471516224000.

The previous prime is 21214050156527. The next prime is 21214050156547. The reversal of 21214050156532 is 23565105041212.

It is a junction number, because it is equal to n+sod(n) for n = 21214050156491 and 21214050156500.

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, 104781844 + ... + 104984107.

It is an arithmetic number, because the mean of its divisors is an integer number (1566741895488).

Almost surely, 2^{21214050156532} is an apocalyptic number.

It is an amenable number.

21214050156532 is a deficient number, since it is larger than the sum of its proper divisors (16387755335180).

21214050156532 is a wasteful number, since it uses less digits than its factorization.

21214050156532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209766279 (or 209766277 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 21214050156532 its reverse (23565105041212), we get a palindrome (44779155197744).

The spelling of 21214050156532 in words is "twenty-one trillion, two hundred fourteen billion, fifty million, one hundred fifty-six thousand, five hundred thirty-two".