121013112133 has 4 divisors (see below), whose sum is σ = 121033978668. Its totient is φ = 120992245600.

The previous prime is 121013112119. The next prime is 121013112167. The reversal of 121013112133 is 331211310121.

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 117171343809 + 3841768324 = 342303^2 + 61982^2 .

It is a cyclic number.

It is not a de Polignac number, because 121013112133 - 2¹³ = 121013103941 is a prime.

It is a super-2 number, since 2×121013112133² (a number of 23 digits) contains 22 as substring.

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 121013112133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013152133) 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, 10424566 + ... + 10436167.

It is an arithmetic number, because the mean of its divisors is an integer number (30258494667).

Almost surely, 2^121013112133 is an apocalyptic number.

It is an amenable number.

121013112133 is a deficient number, since it is larger than the sum of its proper divisors (20866535).

121013112133 is an equidigital number, since it uses as much as digits as its factorization.

121013112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20866534.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121013112133 its reverse (331211310121), we get a palindrome (452224422254).

The spelling of 121013112133 in words is "one hundred twenty-one billion, thirteen million, one hundred twelve thousand, one hundred thirty-three".