2112200242031 has 4 divisors (see below), whose sum is σ = 2304218445864. Its totient is φ = 1920182038200.

The previous prime is 2112200242027. The next prime is 2112200242051. The reversal of 2112200242031 is 1302420022112.

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 2112200242031 - 2² = 2112200242027 is a prime.

It is a super-2 number, since 2×2112200242031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112200241994 and 2112200242012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112200242001) 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, 96009101900 + ... + 96009101921.

It is an arithmetic number, because the mean of its divisors is an integer number (576054611466).

Almost surely, 2^{2112200242031} is an apocalyptic number.

2112200242031 is a deficient number, since it is larger than the sum of its proper divisors (192018203833).

2112200242031 is a wasteful number, since it uses less digits than its factorization.

2112200242031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192018203832.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2112200242031 its reverse (1302420022112), we get a palindrome (3414620264143).

The spelling of 2112200242031 in words is "two trillion, one hundred twelve billion, two hundred million, two hundred forty-two thousand, thirty-one".