121123032131311 has 16 divisors (see below), whose sum is σ = 143717651232768. Its totient is φ = 99889962271200.

The previous prime is 121123032131237. The next prime is 121123032131359. The reversal of 121123032131311 is 113131230321121.

It is a cyclic number.

It is not a de Polignac number, because 121123032131311 - 2¹⁷ = 121123032000239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123032131711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1613172445 + ... + 1613247526.

It is an arithmetic number, because the mean of its divisors is an integer number (8982353202048).

Almost surely, 2^{121123032131311} is an apocalyptic number.

121123032131311 is a deficient number, since it is larger than the sum of its proper divisors (22594619101457).

121123032131311 is a wasteful number, since it uses less digits than its factorization.

121123032131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226420182.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 121123032131311 its reverse (113131230321121), we get a palindrome (234254262452432).

The spelling of 121123032131311 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, thirty-two million, one hundred thirty-one thousand, three hundred eleven".