121033220133331 has 8 divisors (see below), whose sum is σ = 132044282995824. Its totient is φ = 110023497745920.

The previous prime is 121033220133299. The next prime is 121033220133341. The reversal of 121033220133331 is 133331022330121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121033220133331 - 2⁵ = 121033220133299 is a prime.

It is a super-2 number, since 2×121033220133331² (a number of 29 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 121033220133331.

It is not an unprimeable number, because it can be changed into a prime (121033220133341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334929970 + ... + 335291143.

It is an arithmetic number, because the mean of its divisors is an integer number (16505535374478).

Almost surely, 2^{121033220133331} is an apocalyptic number.

121033220133331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121033220133331 is a deficient number, since it is larger than the sum of its proper divisors (11011062862493).

121033220133331 is a wasteful number, since it uses less digits than its factorization.

121033220133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670237541.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 121033220133331 its reverse (133331022330121), we get a palindrome (254364242463452).

The spelling of 121033220133331 in words is "one hundred twenty-one trillion, thirty-three billion, two hundred twenty million, one hundred thirty-three thousand, three hundred thirty-one".