1121000200111 has 16 divisors (see below), whose sum is σ = 1224064800000. Its totient is φ = 1018128585600.

The previous prime is 1121000200109. The next prime is 1121000200147. The reversal of 1121000200111 is 1110020001211.

It is a cyclic number.

It is not a de Polignac number, because 1121000200111 - 2¹ = 1121000200109 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 (1121000203111) 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, 81871776 + ... + 81885466.

It is an arithmetic number, because the mean of its divisors is an integer number (76504050000).

Almost surely, 2^{1121000200111} is an apocalyptic number.

1121000200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121000200111 is a deficient number, since it is larger than the sum of its proper divisors (103064599889).

1121000200111 is a wasteful number, since it uses less digits than its factorization.

1121000200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20190.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1121000200111 its reverse (1110020001211), we get a palindrome (2231020201322).

The spelling of 1121000200111 in words is "one trillion, one hundred twenty-one billion, two hundred thousand, one hundred eleven".