111022201201 has 4 divisors (see below), whose sum is σ = 112427545600. Its totient is φ = 109616856804.

The previous prime is 111022201177. The next prime is 111022201229. The reversal of 111022201201 is 102102220111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102102220111 = 67 ⋅1523913733.

It is a cyclic number.

It is not a de Polignac number, because 111022201201 - 2²³ = 111013812593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022201601) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 702672081 + ... + 702672238.

It is an arithmetic number, because the mean of its divisors is an integer number (28106886400).

Almost surely, 2^111022201201 is an apocalyptic number.

It is an amenable number.

111022201201 is a deficient number, since it is larger than the sum of its proper divisors (1405344399).

111022201201 is an equidigital number, since it uses as much as digits as its factorization.

111022201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405344398.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111022201201 its reverse (102102220111), we get a palindrome (213124421312).

The spelling of 111022201201 in words is "one hundred eleven billion, twenty-two million, two hundred one thousand, two hundred one".