210204023142021 has 8 divisors (see below), whose sum is σ = 280272287951904. Its totient is φ = 140135886880080.

The previous prime is 210204023142011. The next prime is 210204023142041. The reversal of 210204023142021 is 120241320402012.

210204023142021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210204023142021 - 2¹⁵ = 210204023109253 is a prime.

It is a super-2 number, since 2×210204023142021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210204023141982 and 210204023142000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210204023142011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28254466 + ... + 34910211.

It is an arithmetic number, because the mean of its divisors is an integer number (35034035993988).

Almost surely, 2^{210204023142021} is an apocalyptic number.

It is an amenable number.

210204023142021 is a deficient number, since it is larger than the sum of its proper divisors (70068264809883).

210204023142021 is a wasteful number, since it uses less digits than its factorization.

210204023142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64273971.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 210204023142021 its reverse (120241320402012), we get a palindrome (330445343544033).

The spelling of 210204023142021 in words is "two hundred ten trillion, two hundred four billion, twenty-three million, one hundred forty-two thousand, twenty-one".