111102120201211 has 4 divisors (see below), whose sum is σ = 111106590956424. Its totient is φ = 111097649446000.

The previous prime is 111102120201181. The next prime is 111102120201217. The reversal of 111102120201211 is 112102021201111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111102120201211 - 2⁴³ = 102306027179003 is a prime.

It is a super-2 number, since 2×111102120201211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111102120201217) 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, 2235340330 + ... + 2235390031.

It is an arithmetic number, because the mean of its divisors is an integer number (27776647739106).

Almost surely, 2^{111102120201211} is an apocalyptic number.

111102120201211 is a deficient number, since it is larger than the sum of its proper divisors (4470755213).

111102120201211 is an equidigital number, since it uses as much as digits as its factorization.

111102120201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470755212.

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

Adding to 111102120201211 its reverse (112102021201111), we get a palindrome (223204141402322).

The spelling of 111102120201211 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty million, two hundred one thousand, two hundred eleven".