210010122101220 has 96 divisors (see below), whose sum is σ = 672289189195008. Its totient is φ = 47983970875392.

The previous prime is 210010122101203. The next prime is 210010122101231. The reversal of 210010122101220 is 22101221010012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210010122101220.

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, 94434697 + ... + 96632976.

It is an arithmetic number, because the mean of its divisors is an integer number (7003012387448).

Almost surely, 2^{210010122101220} is an apocalyptic number.

210010122101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010122101220 is an abundant number, since it is smaller than the sum of its proper divisors (462279067093788).

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

210010122101220 is a wasteful number, since it uses less digits than its factorization.

210010122101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191070309 (or 191070307 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210010122101220 its reverse (22101221010012), we get a palindrome (232111343111232).

The spelling of 210010122101220 in words is "two hundred ten trillion, ten billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty".