120221320121133 has 32 divisors (see below), whose sum is σ = 199968313973760. Its totient is φ = 62415169541760.

The previous prime is 120221320121129. The next prime is 120221320121137. The reversal of 120221320121133 is 331121023122021.

It is an interprime number because it is at equal distance from previous prime (120221320121129) and next prime (120221320121137).

It is not a de Polignac number, because 120221320121133 - 2² = 120221320121129 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221320121137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155715288 + ... + 156485441.

It is an arithmetic number, because the mean of its divisors is an integer number (6249009811680).

Almost surely, 2^{120221320121133} is an apocalyptic number.

It is an amenable number.

120221320121133 is a deficient number, since it is larger than the sum of its proper divisors (79746993852627).

120221320121133 is a wasteful number, since it uses less digits than its factorization.

120221320121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312202417.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 120221320121133 its reverse (331121023122021), we get a palindrome (451342343243154).

The spelling of 120221320121133 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred twenty million, one hundred twenty-one thousand, one hundred thirty-three".