210021201120221 has 8 divisors (see below), whose sum is σ = 220470588384000. Its totient is φ = 199801470719520.

The previous prime is 210021201120191. The next prime is 210021201120223. The reversal of 210021201120221 is 122021102120012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210021201120221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210021201120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021201120223) 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, 57414213896 + ... + 57414217553.

It is an arithmetic number, because the mean of its divisors is an integer number (27558823548000).

Almost surely, 2^{210021201120221} is an apocalyptic number.

It is an amenable number.

210021201120221 is a deficient number, since it is larger than the sum of its proper divisors (10449387263779).

210021201120221 is a wasteful number, since it uses less digits than its factorization.

210021201120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114828431539.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210021201120221 its reverse (122021102120012), we get a palindrome (332042303240233).

The spelling of 210021201120221 in words is "two hundred ten trillion, twenty-one billion, two hundred one million, one hundred twenty thousand, two hundred twenty-one".