111210222111201 has 6 divisors (see below), whose sum is σ = 160636987493970. Its totient is φ = 74140148074128.

The previous prime is 111210222111193. The next prime is 111210222111223. The reversal of 111210222111201 is 102111222012111.

It is a happy number.

111210222111201 is a `hidden beast` number, since 11 + 121 + 0 + 222 + 111 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110748766828176 + 461455283025 = 10523724^2 + 679305^2 .

It is not a de Polignac number, because 111210222111201 - 2³ = 111210222111193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111210222111281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6178345672836 + ... + 6178345672853.

It is an arithmetic number, because the mean of its divisors is an integer number (26772831248995).

Almost surely, 2^{111210222111201} is an apocalyptic number.

It is an amenable number.

111210222111201 is a deficient number, since it is larger than the sum of its proper divisors (49426765382769).

111210222111201 is a wasteful number, since it uses less digits than its factorization.

111210222111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12356691345695 (or 12356691345692 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111210222111201 its reverse (102111222012111), we get a palindrome (213321444123312).

The spelling of 111210222111201 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty-two million, one hundred eleven thousand, two hundred one".