111002012202212 has 6 divisors (see below), whose sum is σ = 194253521353878. Its totient is φ = 55501006101104.

The previous prime is 111002012202199. The next prime is 111002012202217. The reversal of 111002012202212 is 212202210200111.

It can be written as a sum of positive squares in only one way, i.e., 106882638620836 + 4119373581376 = 10338406^2 + 2029624^2 .

It is not an unprimeable number, because it can be changed into a prime (111002012202217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875251525273 + ... + 13875251525280.

It is an arithmetic number, because the mean of its divisors is an integer number (32375586892313).

Almost surely, 2^{111002012202212} is an apocalyptic number.

It is an amenable number.

111002012202212 is a deficient number, since it is larger than the sum of its proper divisors (83251509151666).

111002012202212 is a wasteful number, since it uses less digits than its factorization.

111002012202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750503050557 (or 27750503050555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111002012202212 its reverse (212202210200111), we get a palindrome (323204222402323).

The spelling of 111002012202212 in words is "one hundred eleven trillion, two billion, twelve million, two hundred two thousand, two hundred twelve".