1011230302121 has 16 divisors (see below), whose sum is σ = 1115374848000. Its totient is φ = 910964950848.

The previous prime is 1011230302111. The next prime is 1011230302129. The reversal of 1011230302121 is 1212030321101.

It is a cyclic number.

It is not a de Polignac number, because 1011230302121 - 2³⁴ = 994050432937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011230302121.

It is not an unprimeable number, because it can be changed into a prime (1011230302129) 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 15 ways as a sum of consecutive naturals, for example, 2157881 + ... + 2584358.

It is an arithmetic number, because the mean of its divisors is an integer number (69710928000).

Almost surely, 2^{1011230302121} is an apocalyptic number.

It is an amenable number.

1011230302121 is a deficient number, since it is larger than the sum of its proper divisors (104144545879).

1011230302121 is a wasteful number, since it uses less digits than its factorization.

1011230302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742648.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1011230302121 its reverse (1212030321101), we get a palindrome (2223260623222).

The spelling of 1011230302121 in words is "one trillion, eleven billion, two hundred thirty million, three hundred two thousand, one hundred twenty-one".