210001022100000 has 1728 divisors, whose sum is σ = 830682488668032. Its totient is φ = 50083246080000.

The previous prime is 210001022099917. The next prime is 210001022100049. The reversal of 210001022100000 is 1220100012.

210001022100000 is digitally balanced in base 2, because in such base 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 (9).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 24342295687 + ... + 24342304313.

It is an arithmetic number, because the mean of its divisors is an integer number (480719032794).

Almost surely, 2^{210001022100000} is an apocalyptic number.

210001022100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210001022100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415341244334016).

210001022100000 is an abundant number, since it is smaller than the sum of its proper divisors (620681466568032).

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

210001022100000 is a wasteful number, since it uses less digits than its factorization.

210001022100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8765 (or 8734 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 210001022100000 its reverse (1220100012), we get a palindrome (210002242200012).

The spelling of 210001022100000 in words is "two hundred ten trillion, one billion, twenty-two million, one hundred thousand".