121333311231201 has 12 divisors (see below), whose sum is σ = 175755712401828. Its totient is φ = 80659727199744.

The previous prime is 121333311231137. The next prime is 121333311231227. The reversal of 121333311231201 is 102132113333121.

121333311231201 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 3 + 331 + 12 + 312 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71596119179601 + 49737192051600 = 8461449^2 + 7052460^2 .

It is not a de Polignac number, because 121333311231201 - 2⁶ = 121333311231137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121333311231101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19095576180 + ... + 19095582533.

It is an arithmetic number, because the mean of its divisors is an integer number (14646309366819).

Almost surely, 2^{121333311231201} is an apocalyptic number.

It is an amenable number.

121333311231201 is a deficient number, since it is larger than the sum of its proper divisors (54422401170627).

121333311231201 is a wasteful number, since it uses less digits than its factorization.

121333311231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38191159072 (or 38191159069 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 121333311231201 its reverse (102132113333121), we get a palindrome (223465424564322).

The spelling of 121333311231201 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, three hundred eleven million, two hundred thirty-one thousand, two hundred one".