210110221201020 has 144 divisors (see below), whose sum is σ = 714113745827328. Its totient is φ = 45937141514880.

The previous prime is 210110221201019. The next prime is 210110221201033. The reversal of 210110221201020 is 20102122011012.

210110221201020 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 a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1553542416 + ... + 1553677655.

It is an arithmetic number, because the mean of its divisors is an integer number (4959123234912).

Almost surely, 2^{210110221201020} is an apocalyptic number.

210110221201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210110221201020 is an abundant number, since it is smaller than the sum of its proper divisors (504003524626308).

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

210110221201020 is a wasteful number, since it uses less digits than its factorization.

210110221201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107220120 (or 3107220111 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210110221201020 its reverse (20102122011012), we get a palindrome (230212343212032).

The spelling of 210110221201020 in words is "two hundred ten trillion, one hundred ten billion, two hundred twenty-one million, two hundred one thousand, twenty".