220100001210 has 96 divisors (see below), whose sum is σ = 628569452160. Its totient is φ = 53186626944.

The previous prime is 220100001167. The next prime is 220100001221. The reversal of 220100001210 is 12100001022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 220100001192 and 220100001201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2758789 + ... + 2837448.

It is an arithmetic number, because the mean of its divisors is an integer number (6547598460).

Almost surely, 2^220100001210 is an apocalyptic number.

220100001210 is an abundant number, since it is smaller than the sum of its proper divisors (408469450950).

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

220100001210 is a wasteful number, since it uses less digits than its factorization.

220100001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596292 (or 5596289 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220100001210 its reverse (12100001022), we get a palindrome (232200002232).

The spelling of 220100001210 in words is "two hundred twenty billion, one hundred million, one thousand, two hundred ten".