111210222011012 has 6 divisors (see below), whose sum is σ = 194617888519278. Its totient is φ = 55605111005504.

The previous prime is 111210222010999. The next prime is 111210222011099. The reversal of 111210222011012 is 210110222012111.

It can be written as a sum of positive squares in only one way, i.e., 105128602394176 + 6081619616836 = 10253224^2 + 2466094^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901277751373 + ... + 13901277751380.

It is an arithmetic number, because the mean of its divisors is an integer number (32436314753213).

Almost surely, 2^{111210222011012} is an apocalyptic number.

It is an amenable number.

111210222011012 is a deficient number, since it is larger than the sum of its proper divisors (83407666508266).

111210222011012 is a wasteful number, since it uses less digits than its factorization.

111210222011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27802555502757 (or 27802555502755 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111210222011012 its reverse (210110222012111), we get a palindrome (321320444023123).

The spelling of 111210222011012 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty-two million, eleven thousand, twelve".