21101310103332 has 24 divisors (see below), whose sum is σ = 49688100246400. Its totient is φ = 6969240033696.

The previous prime is 21101310103331. The next prime is 21101310103333. The reversal of 21101310103332 is 23330101310112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21101310103331) and next prime (21101310103333).

It is a super-2 number, since 2×21101310103332² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21101310103299 and 21101310103308.

It is not an unprimeable number, because it can be changed into a prime (21101310103331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8066248732 + ... + 8066251347.

Almost surely, 2^{21101310103332} is an apocalyptic number.

It is an amenable number.

21101310103332 is an abundant number, since it is smaller than the sum of its proper divisors (28586790143068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21101310103332 is a wasteful number, since it uses less digits than its factorization.

21101310103332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16132500195 (or 16132500193 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21101310103332 its reverse (23330101310112), we get a palindrome (44431411413444).

The spelling of 21101310103332 in words is "twenty-one trillion, one hundred one billion, three hundred ten million, one hundred three thousand, three hundred thirty-two".