10221101210 has 16 divisors (see below), whose sum is σ = 18399366216. Its totient is φ = 4088132928.

The previous prime is 10221101207. The next prime is 10221101213. The reversal of 10221101210 is 1210112201.

It is an interprime number because it is at equal distance from previous prime (10221101207) and next prime (10221101213).

It can be written as a sum of positive squares in 4 ways, for example, as 9080755849 + 1140345361 = 95293^2 + 33769^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10221101191 and 10221101200.

It is not an unprimeable number, because it can be changed into a prime (10221101213) 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, 141032 + ... + 200828.

Almost surely, 2^10221101210 is an apocalyptic number.

10221101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221101210 is a deficient number, since it is larger than the sum of its proper divisors (8178265006).

10221101210 is a wasteful number, since it uses less digits than its factorization.

10221101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76897.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10221101210 its reverse (1210112201), we get a palindrome (11431213411).

The spelling of 10221101210 in words is "ten billion, two hundred twenty-one million, one hundred one thousand, two hundred ten".