210020032212021 has 12 divisors (see below), whose sum is σ = 303362394375040. Its totient is φ = 140013296827560.

The previous prime is 210020032211923. The next prime is 210020032212037. The reversal of 210020032212021 is 120212230020012.

210020032212021 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 200 + 322 + 120 + 21 = 666.

210020032212021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210020032212021 - 2⁷ = 210020032211893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210020032211985 and 210020032212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020032212421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40128366 + ... + 45059136.

Almost surely, 2^{210020032212021} is an apocalyptic number.

It is an amenable number.

210020032212021 is a deficient number, since it is larger than the sum of its proper divisors (93342362163019).

210020032212021 is a wasteful number, since it uses less digits than its factorization.

210020032212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663416 (or 9663413 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 210020032212021 its reverse (120212230020012), we get a palindrome (330232262232033).

The spelling of 210020032212021 in words is "two hundred ten trillion, twenty billion, thirty-two million, two hundred twelve thousand, twenty-one".