210020232200021 has 32 divisors (see below), whose sum is σ = 214053368094720. Its totient is φ = 206025169896000.

The previous prime is 210020232199997. The next prime is 210020232200047. The reversal of 210020232200021 is 120002232020012.

It is a cyclic number.

It is not a de Polignac number, because 210020232200021 - 2⁶ = 210020232199957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020232280021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27732761591 + ... + 27732769163.

It is an arithmetic number, because the mean of its divisors is an integer number (6689167752960).

Almost surely, 2^{210020232200021} is an apocalyptic number.

It is an amenable number.

210020232200021 is a deficient number, since it is larger than the sum of its proper divisors (4033135894699).

210020232200021 is a wasteful number, since it uses less digits than its factorization.

210020232200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 210020232200021 its reverse (120002232020012), we get a palindrome (330022464220033).

The spelling of 210020232200021 in words is "two hundred ten trillion, twenty billion, two hundred thirty-two million, two hundred thousand, twenty-one".