202112322111031 has 16 divisors (see below), whose sum is σ = 211034352642048. Its totient is φ = 193201517282400.

The previous prime is 202112322111001. The next prime is 202112322111107. The reversal of 202112322111031 is 130111223211202.

It is a happy number.

It is not a de Polignac number, because 202112322111031 - 2⁷ = 202112322110903 is a prime.

It is a super-2 number, since 2×202112322111031² (a number of 29 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 = 202112322110993 and 202112322111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112322111001) 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, 664842136 + ... + 665146066.

It is an arithmetic number, because the mean of its divisors is an integer number (13189647040128).

Almost surely, 2^{202112322111031} is an apocalyptic number.

202112322111031 is a deficient number, since it is larger than the sum of its proper divisors (8922030531017).

202112322111031 is a wasteful number, since it uses less digits than its factorization.

202112322111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322302.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 202112322111031 its reverse (130111223211202), we get a palindrome (332223545322233).

The spelling of 202112322111031 in words is "two hundred two trillion, one hundred twelve billion, three hundred twenty-two million, one hundred eleven thousand, thirty-one".