11111120201 has 8 divisors (see below), whose sum is σ = 11133626784. Its totient is φ = 11088636480.

The previous prime is 11111120197. The next prime is 11111120213. The reversal of 11111120201 is 10202111111.

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

It is a cyclic number.

It is not a de Polignac number, because 11111120201 - 2² = 11111120197 is a prime.

It is a super-3 number, since 3×11111120201³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111120231) 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, 1217666 + ... + 1226756.

It is an arithmetic number, because the mean of its divisors is an integer number (1391703348).

Almost surely, 2^11111120201 is an apocalyptic number.

It is an amenable number.

11111120201 is a deficient number, since it is larger than the sum of its proper divisors (22506583).

11111120201 is an equidigital number, since it uses as much as digits as its factorization.

11111120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431.

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

Adding to 11111120201 its reverse (10202111111), we get a palindrome (21313231312).

The spelling of 11111120201 in words is "eleven billion, one hundred eleven million, one hundred twenty thousand, two hundred one".