210110021210020 has 24 divisors (see below), whose sum is σ = 441231340161024. Its totient is φ = 84043952175456.

The previous prime is 210110021209999. The next prime is 210110021210021. The reversal of 210110021210020 is 20012120011012.

210110021210020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (210110021210021) 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, 40518877 + ... + 45409243.

It is an arithmetic number, because the mean of its divisors is an integer number (18384639173376).

Almost surely, 2^{210110021210020} is an apocalyptic number.

210110021210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210110021210020 is an abundant number, since it is smaller than the sum of its proper divisors (231121318951004).

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

210110021210020 is a wasteful number, since it uses less digits than its factorization.

210110021210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038579 (or 7038577 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210110021210020 its reverse (20012120011012), we get a palindrome (230122141221032).

The spelling of 210110021210020 in words is "two hundred ten trillion, one hundred ten billion, twenty-one million, two hundred ten thousand, twenty".