10221001210 has 32 divisors (see below), whose sum is σ = 21186582912. Its totient is φ = 3477589440.

The previous prime is 10221001157. The next prime is 10221001213. The reversal of 10221001210 is 1210012201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10221001213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548137 + ... + 566476.

It is an arithmetic number, because the mean of its divisors is an integer number (662080716).

Almost surely, 2^10221001210 is an apocalyptic number.

10221001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221001210 is an abundant number, since it is smaller than the sum of its proper divisors (10965581702).

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

10221001210 is a wasteful number, since it uses less digits than its factorization.

10221001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114758.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10221001210 its reverse (1210012201), we get a palindrome (11431013411).

The spelling of 10221001210 in words is "ten billion, two hundred twenty-one million, one thousand, two hundred ten".