21130111050332 has 48 divisors (see below), whose sum is σ = 38251381690368. Its totient is φ = 10208698463040.

The previous prime is 21130111050313. The next prime is 21130111050341. The reversal of 21130111050332 is 23305011103112.

It is a junction number, because it is equal to n+sod(n) for n = 21130111050298 and 21130111050307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930053 + ... + 6566979.

It is an arithmetic number, because the mean of its divisors is an integer number (796903785216).

Almost surely, 2^{21130111050332} is an apocalyptic number.

It is an amenable number.

21130111050332 is a deficient number, since it is larger than the sum of its proper divisors (17121270640036).

21130111050332 is a wasteful number, since it uses less digits than its factorization.

21130111050332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637266 (or 5637264 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 21130111050332 its reverse (23305011103112), we get a palindrome (44435122153444).

The spelling of 21130111050332 in words is "twenty-one trillion, one hundred thirty billion, one hundred eleven million, fifty thousand, three hundred thirty-two".