1023122223121 has 16 divisors (see below), whose sum is σ = 1098788423040. Its totient is φ = 949758635520.

The previous prime is 1023122223113. The next prime is 1023122223161. The reversal of 1023122223121 is 1213222213201.

It is a cyclic number.

It is not a de Polignac number, because 1023122223121 - 2³ = 1023122223113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023122223092 and 1023122223101.

It is not an unprimeable number, because it can be changed into a prime (1023122223161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373440 + ... + 1983073.

It is an arithmetic number, because the mean of its divisors is an integer number (68674276440).

Almost surely, 2^{1023122223121} is an apocalyptic number.

It is an amenable number.

1023122223121 is a deficient number, since it is larger than the sum of its proper divisors (75666199919).

1023122223121 is a wasteful number, since it uses less digits than its factorization.

1023122223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356856.

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

Adding to 1023122223121 its reverse (1213222213201), we get a palindrome (2236344436322).

The spelling of 1023122223121 in words is "one trillion, twenty-three billion, one hundred twenty-two million, two hundred twenty-three thousand, one hundred twenty-one".