210020110210100 has 36 divisors (see below), whose sum is σ = 455849898804300. Its totient is φ = 83988457052160.

The previous prime is 210020110210093. The next prime is 210020110210151. The reversal of 210020110210100 is 1012011020012.

It can be written as a sum of positive squares in 6 ways, for example, as 45983655844 + 209974126554256 = 214438^2 + 14490484^2 .

It is a super-2 number, since 2×210020110210100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244406855 + ... + 245264654.

Almost surely, 2^{210020110210100} is an apocalyptic number.

210020110210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020110210100 is an abundant number, since it is smaller than the sum of its proper divisors (245829788594200).

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

210020110210100 is a wasteful number, since it uses less digits than its factorization.

210020110210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489675812 (or 489675805 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210020110210100 its reverse (1012011020012), we get a palindrome (211032121230112).

The spelling of 210020110210100 in words is "two hundred ten trillion, twenty billion, one hundred ten million, two hundred ten thousand, one hundred".