202111231322112 has 96 divisors (see below), whose sum is σ = 615807658065600. Its totient is φ = 57746066079744.

The previous prime is 202111231322111. The next prime is 202111231322137. The reversal of 202111231322112 is 211223132111202.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (202111231322111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349650437 + ... + 2349736452.

It is an arithmetic number, because the mean of its divisors is an integer number (6414663104850).

Almost surely, 2^{202111231322112} is an apocalyptic number.

It is an amenable number.

202111231322112 is an abundant number, since it is smaller than the sum of its proper divisors (413696426743488).

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

202111231322112 is an equidigital number, since it uses as much as digits as its factorization.

202111231322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699386921 (or 4699386901 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 202111231322112 its reverse (211223132111202), we get a palindrome (413334363433314).

The spelling of 202111231322112 in words is "two hundred two trillion, one hundred eleven billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred twelve".