10012221010 has 16 divisors (see below), whose sum is σ = 19660361472. Its totient is φ = 3640807600.

The previous prime is 10012220993. The next prime is 10012221017. The reversal of 10012221010 is 1012221001.

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 (10012221017) 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, 45509986 + ... + 45510205.

It is an arithmetic number, because the mean of its divisors is an integer number (1228772592).

Almost surely, 2^10012221010 is an apocalyptic number.

10012221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10012221010 is a deficient number, since it is larger than the sum of its proper divisors (9648140462).

10012221010 is a wasteful number, since it uses less digits than its factorization.

10012221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91020209.

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

Adding to 10012221010 its reverse (1012221001), we get a palindrome (11024442011).

Subtracting from 10012221010 its reverse (1012221001), we obtain a palindrome (9000000009).

The spelling of 10012221010 in words is "ten billion, twelve million, two hundred twenty-one thousand, ten".