1121120101111 has 4 divisors (see below), whose sum is σ = 1139499119224. Its totient is φ = 1102741083000.

The previous prime is 1121120101043. The next prime is 1121120101133. The reversal of 1121120101111 is 1111010211211.

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 1121120101111 - 2¹³ = 1121120092919 is a prime.

It is a super-2 number, since 2×1121120101111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121120101091 and 1121120101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121120101711) 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, 9189508965 + ... + 9189509086.

It is an arithmetic number, because the mean of its divisors is an integer number (284874779806).

Almost surely, 2^{1121120101111} is an apocalyptic number.

1121120101111 is a deficient number, since it is larger than the sum of its proper divisors (18379018113).

1121120101111 is an equidigital number, since it uses as much as digits as its factorization.

1121120101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18379018112.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1121120101111 its reverse (1111010211211), we get a palindrome (2232130312322).

The spelling of 1121120101111 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred one thousand, one hundred eleven".