210010011011220 has 192 divisors, whose sum is σ = 678985491824640. Its totient is φ = 47506201892352.

The previous prime is 210010011011147. The next prime is 210010011011231. The reversal of 210010011011220 is 22110110010012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210010011011196 and 210010011011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66947226 + ... + 70013934.

It is an arithmetic number, because the mean of its divisors is an integer number (3536382769920).

Almost surely, 2^{210010011011220} is an apocalyptic number.

210010011011220 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 210010011011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339492745912320).

210010011011220 is an abundant number, since it is smaller than the sum of its proper divisors (468975480813420).

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

210010011011220 is a wasteful number, since it uses less digits than its factorization.

210010011011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068414 (or 3068412 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210010011011220 its reverse (22110110010012), we get a palindrome (232120121021232).

The spelling of 210010011011220 in words is "two hundred ten trillion, ten billion, eleven million, eleven thousand, two hundred twenty".