121111310131333 has 4 divisors (see below), whose sum is σ = 121111574991660. Its totient is φ = 121111045271008.

The previous prime is 121111310131271. The next prime is 121111310131403. The reversal of 121111310131333 is 333131013111121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87883256404449 + 33228053726884 = 9374607^2 + 5764378^2 .

It is a cyclic number.

It is not a de Polignac number, because 121111310131333 - 2⁹ = 121111310130821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121111310131298 and 121111310131307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111310131633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131743078 + ... + 132659191.

It is an arithmetic number, because the mean of its divisors is an integer number (30277893747915).

Almost surely, 2^{121111310131333} is an apocalyptic number.

It is an amenable number.

121111310131333 is a deficient number, since it is larger than the sum of its proper divisors (264860327).

121111310131333 is an equidigital number, since it uses as much as digits as its factorization.

121111310131333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264860326.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 121111310131333 its reverse (333131013111121), we get a palindrome (454242323242454).

The spelling of 121111310131333 in words is "one hundred twenty-one trillion, one hundred eleven billion, three hundred ten million, one hundred thirty-one thousand, three hundred thirty-three".