1121020022111 has 8 divisors (see below), whose sum is σ = 1222960380624. Its totient is φ = 1019084571520.

The previous prime is 1121020022093. The next prime is 1121020022197. The reversal of 1121020022111 is 1112200201211.

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 1121020022111 - 2⁶ = 1121020022047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121023022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741020 + ... + 1670673.

It is an arithmetic number, because the mean of its divisors is an integer number (152870047578).

Almost surely, 2^{1121020022111} is an apocalyptic number.

1121020022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121020022111 is a deficient number, since it is larger than the sum of its proper divisors (101940358513).

1121020022111 is a wasteful number, since it uses less digits than its factorization.

1121020022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453961.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121020022111 its reverse (1112200201211), we get a palindrome (2233220223322).

The spelling of 1121020022111 in words is "one trillion, one hundred twenty-one billion, twenty million, twenty-two thousand, one hundred eleven".