10221020221122 has 16 divisors (see below), whose sum is σ = 22713378269280. Its totient is φ = 3407006740356.

The previous prime is 10221020221109. The next prime is 10221020221127. The reversal of 10221020221122 is 22112202012201.

It is a happy number.

10221020221122 is a `hidden beast` number, since 10 + 221 + 0 + 202 + 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 = 10221020221095 and 10221020221104.

It is not an unprimeable number, because it can be changed into a prime (10221020221127) 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, 94639076068 + ... + 94639076175.

It is an arithmetic number, because the mean of its divisors is an integer number (1419586141830).

Almost surely, 2^{10221020221122} is an apocalyptic number.

10221020221122 is an abundant number, since it is smaller than the sum of its proper divisors (12492358048158).

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

10221020221122 is a wasteful number, since it uses less digits than its factorization.

10221020221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189278152254 (or 189278152248 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10221020221122 its reverse (22112202012201), we get a palindrome (32333222233323).

The spelling of 10221020221122 in words is "ten trillion, two hundred twenty-one billion, twenty million, two hundred twenty-one thousand, one hundred twenty-two".