1022121312223 has 32 divisors (see below), whose sum is σ = 1179395481600. Its totient is φ = 877062816000.

The previous prime is 1022121312221. The next prime is 1022121312257. The reversal of 1022121312223 is 3222131212201.

It is not a de Polignac number, because 1022121312223 - 2¹ = 1022121312221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022121312194 and 1022121312203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022121312221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72232753 + ... + 72246901.

It is an arithmetic number, because the mean of its divisors is an integer number (36856108800).

Almost surely, 2^{1022121312223} is an apocalyptic number.

1022121312223 is a deficient number, since it is larger than the sum of its proper divisors (157274169377).

1022121312223 is a wasteful number, since it uses less digits than its factorization.

1022121312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19399.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1022121312223 its reverse (3222131212201), we get a palindrome (4244252524424).

The spelling of 1022121312223 in words is "one trillion, twenty-two billion, one hundred twenty-one million, three hundred twelve thousand, two hundred twenty-three".