10221211021122 has 48 divisors (see below), whose sum is σ = 22354436456352. Its totient is φ = 3375000907200.

The previous prime is 10221211021093. The next prime is 10221211021127. The reversal of 10221211021122 is 22112011212201.

10221211021122 is a `hidden beast` number, since 1 + 0 + 221 + 211 + 0 + 211 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10221211021095 and 10221211021104.

It is not an unprimeable number, because it can be changed into a prime (10221211021127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29675997 + ... + 30018447.

It is an arithmetic number, because the mean of its divisors is an integer number (465717426174).

Almost surely, 2^{10221211021122} is an apocalyptic number.

10221211021122 is an abundant number, since it is smaller than the sum of its proper divisors (12133225435230).

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

10221211021122 is a wasteful number, since it uses less digits than its factorization.

10221211021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358063 (or 358060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10221211021122 its reverse (22112011212201), we get a palindrome (32333222233323).

The spelling of 10221211021122 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, twenty-one thousand, one hundred twenty-two".