121011332011331 has 4 divisors (see below), whose sum is σ = 121011489247992. Its totient is φ = 121011174774672.

The previous prime is 121011332011307. The next prime is 121011332011337. The reversal of 121011332011331 is 133110233110121.

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

It is a cyclic number.

It is not a de Polignac number, because 121011332011331 - 2⁶ = 121011332011267 is a prime.

It is a super-3 number, since 3×121011332011331³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121011332011297 and 121011332011306.

It is not an unprimeable number, because it can be changed into a prime (121011332011337) 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, 77458205 + ... + 79005038.

It is an arithmetic number, because the mean of its divisors is an integer number (30252872311998).

Almost surely, 2^{121011332011331} is an apocalyptic number.

121011332011331 is a deficient number, since it is larger than the sum of its proper divisors (157236661).

121011332011331 is an equidigital number, since it uses as much as digits as its factorization.

121011332011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157236660.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 121011332011331 its reverse (133110233110121), we get a palindrome (254121565121452).

The spelling of 121011332011331 in words is "one hundred twenty-one trillion, eleven billion, three hundred thirty-two million, eleven thousand, three hundred thirty-one".