220000101210 has 48 divisors (see below), whose sum is σ = 575643613896. Its totient is φ = 58293016704.

The previous prime is 220000101187. The next prime is 220000101227. The reversal of 220000101210 is 12101000022.

It can be written as a sum of positive squares in 4 ways, for example, as 117998433081 + 102001668129 = 343509^2 + 319377^2 .

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 = 220000101192 and 220000101201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7770729 + ... + 7798988.

Almost surely, 2^220000101210 is an apocalyptic number.

220000101210 is an abundant number, since it is smaller than the sum of its proper divisors (355643512686).

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

220000101210 is a wasteful number, since it uses less digits than its factorization.

220000101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15569887 (or 15569884 counting only the distinct ones).

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

Adding to 220000101210 its reverse (12101000022), we get a palindrome (232101101232).

The spelling of 220000101210 in words is "two hundred twenty billion, one hundred one thousand, two hundred ten".