1021122011223 has 40 divisors (see below), whose sum is σ = 1540779229440. Its totient is φ = 673878139200.

The previous prime is 1021122011179. The next prime is 1021122011249. The reversal of 1021122011223 is 3221102211201.

1021122011223 is a `hidden beast` number, since 1 + 0 + 211 + 220 + 11 + 223 = 666.

It is not a de Polignac number, because 1021122011223 - 2²⁶ = 1021054902359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021122011196 and 1021122011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021122011263) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62077386 + ... + 62093832.

It is an arithmetic number, because the mean of its divisors is an integer number (38519480736).

Almost surely, 2^{1021122011223} is an apocalyptic number.

1021122011223 is a deficient number, since it is larger than the sum of its proper divisors (519657218217).

1021122011223 is a wasteful number, since it uses less digits than its factorization.

1021122011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24149 (or 24140 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1021122011223 its reverse (3221102211201), we get a palindrome (4242224222424).

The spelling of 1021122011223 in words is "one trillion, twenty-one billion, one hundred twenty-two million, eleven thousand, two hundred twenty-three".