210021022120152 has 64 divisors (see below), whose sum is σ = 531704325196800. Its totient is φ = 69120123171840.

The previous prime is 210021022120103. The next prime is 210021022120153. The reversal of 210021022120152 is 251021220120012.

210021022120152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021022120153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199999173 + ... + 201046539.

It is an arithmetic number, because the mean of its divisors is an integer number (8307880081200).

Almost surely, 2^{210021022120152} is an apocalyptic number.

It is an amenable number.

210021022120152 is an abundant number, since it is smaller than the sum of its proper divisors (321683303076648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210021022120152 is a wasteful number, since it uses less digits than its factorization.

210021022120152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153216 (or 1153212 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 210021022120152 its reverse (251021220120012), we get a palindrome (461042242240164).

The spelling of 210021022120152 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred fifty-two".