210110100000220 has 96 divisors (see below), whose sum is σ = 526196735769600. Its totient is φ = 68904629697024.

The previous prime is 210110100000187. The next prime is 210110100000263. The reversal of 210110100000220 is 22000001011012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210110100000197 and 210110100000206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228834811 + ... + 229751149.

It is an arithmetic number, because the mean of its divisors is an integer number (5481215997600).

Almost surely, 2^{210110100000220} is an apocalyptic number.

210110100000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210110100000220 is an abundant number, since it is smaller than the sum of its proper divisors (316086635769380).

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

210110100000220 is a wasteful number, since it uses less digits than its factorization.

210110100000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987587 (or 987585 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210110100000220 its reverse (22000001011012), we get a palindrome (232110101011232).

The spelling of 210110100000220 in words is "two hundred ten trillion, one hundred ten billion, one hundred million, two hundred twenty", and thus it is an aban number.