1022111022123 has 24 divisors (see below), whose sum is σ = 1513422902160. Its totient is φ = 664521580800.

The previous prime is 1022111022089. The next prime is 1022111022133. The reversal of 1022111022123 is 3212201112201.

It is not a de Polignac number, because 1022111022123 - 2³⁰ = 1021037280299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022111022096 and 1022111022105.

It is not an unprimeable number, because it can be changed into a prime (1022111022133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8681553 + ... + 8798498.

It is an arithmetic number, because the mean of its divisors is an integer number (63059287590).

Almost surely, 2^{1022111022123} is an apocalyptic number.

1022111022123 is a deficient number, since it is larger than the sum of its proper divisors (491311880037).

1022111022123 is a wasteful number, since it uses less digits than its factorization.

1022111022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17480219 (or 17480216 counting only the distinct ones).

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

Adding to 1022111022123 its reverse (3212201112201), we get a palindrome (4234312134324).

The spelling of 1022111022123 in words is "one trillion, twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred twenty-three".