202112111202 has 32 divisors (see below), whose sum is σ = 408722580288. Its totient is φ = 66623671296.

The previous prime is 202112111197. The next prime is 202112111207. The reversal of 202112111202 is 202111211202.

It is an interprime number because it is at equal distance from previous prime (202112111197) and next prime (202112111207).

It is a super-2 number, since 2×202112111202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202112111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36103 + ... + 636810.

It is an arithmetic number, because the mean of its divisors is an integer number (12772580634).

Almost surely, 2^202112111202 is an apocalyptic number.

202112111202 is an abundant number, since it is smaller than the sum of its proper divisors (206610469086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202112111202 is a wasteful number, since it uses less digits than its factorization.

202112111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673474.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202112111202 its reverse (202111211202), we get a palindrome (404223322404).

The spelling of 202112111202 in words is "two hundred two billion, one hundred twelve million, one hundred eleven thousand, two hundred two".