1022120021223 has 24 divisors (see below), whose sum is σ = 1697412907008. Its totient is φ = 580571160912.

The previous prime is 1022120021203. The next prime is 1022120021239. The reversal of 1022120021223 is 3221200212201.

1022120021223 is a `hidden beast` number, since 1 + 0 + 221 + 200 + 21 + 223 = 666.

It is not a de Polignac number, because 1022120021223 - 2¹⁷ = 1022119890151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022120021196 and 1022120021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022120021203) 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, 48564711 + ... + 48585752.

It is an arithmetic number, because the mean of its divisors is an integer number (70725537792).

Almost surely, 2^{1022120021223} is an apocalyptic number.

1022120021223 is a deficient number, since it is larger than the sum of its proper divisors (675292885785).

1022120021223 is a wasteful number, since it uses less digits than its factorization.

1022120021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97150643 (or 97150640 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1022120021223 its reverse (3221200212201), we get a palindrome (4243320233424).

The spelling of 1022120021223 in words is "one trillion, twenty-two billion, one hundred twenty million, twenty-one thousand, two hundred twenty-three".