2112201202031 has 2 divisors, whose sum is σ = 2112201202032. Its totient is φ = 2112201202030.

The previous prime is 2112201202009. The next prime is 2112201202043. The reversal of 2112201202031 is 1302021022112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112201202031 is a prime.

It is a super-2 number, since 2×2112201202031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112201202051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056100601015 + 1056100601016.

It is an arithmetic number, because the mean of its divisors is an integer number (1056100601016).

Almost surely, 2^{2112201202031} is an apocalyptic number.

2112201202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112201202031 is an equidigital number, since it uses as much as digits as its factorization.

2112201202031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2112201202031 its reverse (1302021022112), we get a palindrome (3414222224143).

The spelling of 2112201202031 in words is "two trillion, one hundred twelve billion, two hundred one million, two hundred two thousand, thirty-one".