111101012201 has 4 divisors (see below), whose sum is σ = 111104786304. Its totient is φ = 111097238100.

The previous prime is 111101012179. The next prime is 111101012227. The reversal of 111101012201 is 102210101111.

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: 102210101111 = 947 ⋅107930413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111101012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111101018201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842545 + ... + 1901886.

It is an arithmetic number, because the mean of its divisors is an integer number (27776196576).

Almost surely, 2^111101012201 is an apocalyptic number.

It is an amenable number.

111101012201 is a deficient number, since it is larger than the sum of its proper divisors (3774103).

111101012201 is an equidigital number, since it uses as much as digits as its factorization.

111101012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774102.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111101012201 its reverse (102210101111), we get a palindrome (213311113312).

It can be divided in two parts, 1111010 and 12201, that added together give a palindrome (1123211).

The spelling of 111101012201 in words is "one hundred eleven billion, one hundred one million, twelve thousand, two hundred one".