210021330311332 has 6 divisors (see below), whose sum is σ = 367537328044838. Its totient is φ = 105010665155664.

The previous prime is 210021330311321. The next prime is 210021330311363. The reversal of 210021330311332 is 233113033120012.

210021330311332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 206851876463716 + 3169453847616 = 14382346^2 + 1780296^2 .

It is a super-2 number, since 2×210021330311332² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210021330311297 and 210021330311306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26252666288913 + ... + 26252666288920.

Almost surely, 2^{210021330311332} is an apocalyptic number.

It is an amenable number.

210021330311332 is a deficient number, since it is larger than the sum of its proper divisors (157515997733506).

210021330311332 is a wasteful number, since it uses less digits than its factorization.

210021330311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52505332577837 (or 52505332577835 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 210021330311332 its reverse (233113033120012), we get a palindrome (443134363431344).

The spelling of 210021330311332 in words is "two hundred ten trillion, twenty-one billion, three hundred thirty million, three hundred eleven thousand, three hundred thirty-two".