12101203331 has 16 divisors (see below), whose sum is σ = 14049392640. Its totient is φ = 10208708640.

The previous prime is 12101203327. The next prime is 12101203393. The reversal of 12101203331 is 13330210121.

It is not a de Polignac number, because 12101203331 - 2² = 12101203327 is a prime.

It is a super-2 number, since 2×12101203331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101203321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140786 + ... + 209816.

It is an arithmetic number, because the mean of its divisors is an integer number (878087040).

Almost surely, 2^12101203331 is an apocalyptic number.

12101203331 is a deficient number, since it is larger than the sum of its proper divisors (1948189309).

12101203331 is an equidigital number, since it uses as much as digits as its factorization.

12101203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69434.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12101203331 its reverse (13330210121), we get a palindrome (25431413452).

The spelling of 12101203331 in words is "twelve billion, one hundred one million, two hundred three thousand, three hundred thirty-one".