1122120102111 has 4 divisors (see below), whose sum is σ = 1496160136152. Its totient is φ = 748080068072.

The previous prime is 1122120102101. The next prime is 1122120102113. The reversal of 1122120102111 is 1112010212211.

It is a happy number.

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 1122120102111 - 2¹¹ = 1122120100063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122120102113) 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, 187020017016 + ... + 187020017021.

It is an arithmetic number, because the mean of its divisors is an integer number (374040034038).

Almost surely, 2^{1122120102111} is an apocalyptic number.

1122120102111 is a deficient number, since it is larger than the sum of its proper divisors (374040034041).

1122120102111 is an equidigital number, since it uses as much as digits as its factorization.

1122120102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374040034040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1122120102111 its reverse (1112010212211), we get a palindrome (2234130314322).

It can be divided in two parts, 11 and 22120102111, that added together give a palindrome (22120102122).

The spelling of 1122120102111 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred two thousand, one hundred eleven".