111010211222201 has 8 divisors (see below), whose sum is σ = 111711784062624. Its totient is φ = 110308888730880.

The previous prime is 111010211222167. The next prime is 111010211222257. The reversal of 111010211222201 is 102222112010111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111010211222201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111010211222201.

It is not an unprimeable number, because it can be changed into a prime (111010211222101) 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, 61697591 + ... + 63471356.

It is an arithmetic number, because the mean of its divisors is an integer number (13963973007828).

Almost surely, 2^{111010211222201} is an apocalyptic number.

It is an amenable number.

111010211222201 is a deficient number, since it is larger than the sum of its proper divisors (701572840423).

111010211222201 is a wasteful number, since it uses less digits than its factorization.

111010211222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125174551.

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

Adding to 111010211222201 its reverse (102222112010111), we get a palindrome (213232323232312).

The spelling of 111010211222201 in words is "one hundred eleven trillion, ten billion, two hundred eleven million, two hundred twenty-two thousand, two hundred one".