210112101021220 has 24 divisors (see below), whose sum is σ = 441263333798784. Its totient is φ = 84039521998176.

The previous prime is 210112101021209. The next prime is 210112101021223. The reversal of 210112101021220 is 22120101211012.

It is a junction number, because it is equal to n+sod(n) for n = 210112101021194 and 210112101021203.

It is not an unprimeable number, because it can be changed into a prime (210112101021223) 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, 332076684 + ... + 332708803.

It is an arithmetic number, because the mean of its divisors is an integer number (18385972241616).

Almost surely, 2^{210112101021220} is an apocalyptic number.

210112101021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210112101021220 is an abundant number, since it is smaller than the sum of its proper divisors (231151232777564).

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

210112101021220 is a wasteful number, since it uses less digits than its factorization.

210112101021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664801299 (or 664801297 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210112101021220 its reverse (22120101211012), we get a palindrome (232232202232232).

The spelling of 210112101021220 in words is "two hundred ten trillion, one hundred twelve billion, one hundred one million, twenty-one thousand, two hundred twenty".