1100120221111 has 8 divisors (see below), whose sum is σ = 1226140184880. Its totient is φ = 980912147328.

The previous prime is 1100120221099. The next prime is 1100120221147. The reversal of 1100120221111 is 1111220210011.

It is a happy number.

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 1100120221111 - 2³³ = 1091530286519 is a prime.

It is a super-4 number, since 4×1100120221111⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100120221091 and 1100120221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100120221411) 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, 1702972156 + ... + 1702972801.

It is an arithmetic number, because the mean of its divisors is an integer number (153267523110).

Almost surely, 2^{1100120221111} is an apocalyptic number.

1100120221111 is a deficient number, since it is larger than the sum of its proper divisors (126019963769).

1100120221111 is a wasteful number, since it uses less digits than its factorization.

1100120221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405944993.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1100120221111 its reverse (1111220210011), we get a palindrome (2211340431122).

It can be divided in two parts, 1100120 and 221111, that added together give a palindrome (1321231).

The spelling of 1100120221111 in words is "one trillion, one hundred billion, one hundred twenty million, two hundred twenty-one thousand, one hundred eleven".