120220021331 has 4 divisors (see below), whose sum is σ = 120230112912. Its totient is φ = 120209929752.

The previous prime is 120220021321. The next prime is 120220021343. The reversal of 120220021331 is 133120022021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120220021331 - 2⁶ = 120220021267 is a prime.

It is a super-2 number, since 2×120220021331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120220021321) 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, 5027900 + ... + 5051753.

It is an arithmetic number, because the mean of its divisors is an integer number (30057528228).

Almost surely, 2^120220021331 is an apocalyptic number.

120220021331 is a deficient number, since it is larger than the sum of its proper divisors (10091581).

120220021331 is a wasteful number, since it uses less digits than its factorization.

120220021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091580.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120220021331 its reverse (133120022021), we get a palindrome (253340043352).

The spelling of 120220021331 in words is "one hundred twenty billion, two hundred twenty million, twenty-one thousand, three hundred thirty-one".