1120111221211 has 16 divisors (see below), whose sum is σ = 1203014201760. Its totient is φ = 1039819852800.

The previous prime is 1120111221199. The next prime is 1120111221283. The reversal of 1120111221211 is 1121221110211.

It is a cyclic number.

It is not a de Polignac number, because 1120111221211 - 2⁹ = 1120111220699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120111221011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2822596 + ... + 3194881.

It is an arithmetic number, because the mean of its divisors is an integer number (75188387610).

Almost surely, 2^{1120111221211} is an apocalyptic number.

1120111221211 is a deficient number, since it is larger than the sum of its proper divisors (82902980549).

1120111221211 is a wasteful number, since it uses less digits than its factorization.

1120111221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017694.

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

Adding to 1120111221211 its reverse (1121221110211), we get a palindrome (2241332331422).

The spelling of 1120111221211 in words is "one trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, two hundred eleven".