10221101212 has 96 divisors (see below), whose sum is σ = 21180579840. Its totient is φ = 4226040000.

The previous prime is 10221101207. The next prime is 10221101213. The reversal of 10221101212 is 21210112201.

It is a junction number, because it is equal to n+sod(n) for n = 10221101192 and 10221101201.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 23714637 + ... + 23715067.

It is an arithmetic number, because the mean of its divisors is an integer number (220631040).

Almost surely, 2^10221101212 is an apocalyptic number.

It is an amenable number.

10221101212 is an abundant number, since it is smaller than the sum of its proper divisors (10959478628).

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

10221101212 is a wasteful number, since it uses less digits than its factorization.

10221101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221101212 its reverse (21210112201), we get a palindrome (31431213413).

The spelling of 10221101212 in words is "ten billion, two hundred twenty-one million, one hundred one thousand, two hundred twelve".