120203231221011 has 8 divisors (see below), whose sum is σ = 160273198055680. Its totient is φ = 80134375933512.

The previous prime is 120203231220977. The next prime is 120203231221043. The reversal of 120203231221011 is 110122132302021.

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

It is not a de Polignac number, because 120203231221011 - 2¹⁰ = 120203231219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120203231221081) 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, 277634431 + ... + 278067048.

It is an arithmetic number, because the mean of its divisors is an integer number (20034149756960).

Almost surely, 2^{120203231221011} is an apocalyptic number.

120203231221011 is a deficient number, since it is larger than the sum of its proper divisors (40069966834669).

120203231221011 is an equidigital number, since it uses as much as digits as its factorization.

120203231221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555773585.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 120203231221011 its reverse (110122132302021), we get a palindrome (230325363523032).

The spelling of 120203231221011 in words is "one hundred twenty trillion, two hundred three billion, two hundred thirty-one million, two hundred twenty-one thousand, eleven".