121223331133 has 16 divisors (see below), whose sum is σ = 124557152832. Its totient is φ = 117907920000.

The previous prime is 121223331109. The next prime is 121223331157. The reversal of 121223331133 is 331133322121.

It is an interprime number because it is at equal distance from previous prime (121223331109) and next prime (121223331157).

It is a cyclic number.

It is not a de Polignac number, because 121223331133 - 2¹⁷ = 121223200061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121223331098 and 121223331107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121223331233) 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, 42518158 + ... + 42521008.

It is an arithmetic number, because the mean of its divisors is an integer number (7784822052).

Almost surely, 2^121223331133 is an apocalyptic number.

It is an amenable number.

121223331133 is a deficient number, since it is larger than the sum of its proper divisors (3333821699).

121223331133 is a wasteful number, since it uses less digits than its factorization.

121223331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676.

The product of its digits is 1944, while the sum is 25.

Adding to 121223331133 its reverse (331133322121), we get a palindrome (452356653254).

The spelling of 121223331133 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred thirty-three".