111201100001222 has 96 divisors (see below), whose sum is σ = 212687622975744. Its totient is φ = 42673591287360.

The previous prime is 111201100001207. The next prime is 111201100001249. The reversal of 111201100001222 is 222100001102111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 111201100001197 and 111201100001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1088054228 + ... + 1088156424.

It is an arithmetic number, because the mean of its divisors is an integer number (2215496072664).

Almost surely, 2^{111201100001222} is an apocalyptic number.

111201100001222 is a deficient number, since it is larger than the sum of its proper divisors (101486522974522).

111201100001222 is a wasteful number, since it uses less digits than its factorization.

111201100001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111882 (or 111871 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111201100001222 its reverse (222100001102111), we get a palindrome (333301101103333).

The spelling of 111201100001222 in words is "one hundred eleven trillion, two hundred one billion, one hundred million, one thousand, two hundred twenty-two".