1121100201111 has 48 divisors (see below), whose sum is σ = 1652220353664. Its totient is φ = 670542432000.

The previous prime is 1121100201071. The next prime is 1121100201121. The reversal of 1121100201111 is 1111020011211.

It is not a de Polignac number, because 1121100201111 - 2¹⁴ = 1121100184727 is a prime.

It is a super-2 number, since 2×1121100201111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121100201121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278809281 + ... + 278813301.

It is an arithmetic number, because the mean of its divisors is an integer number (34421257368).

Almost surely, 2^{1121100201111} is an apocalyptic number.

1121100201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121100201111 is a deficient number, since it is larger than the sum of its proper divisors (531120152553).

1121100201111 is a wasteful number, since it uses less digits than its factorization.

1121100201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1121100201111 its reverse (1111020011211), we get a palindrome (2232120212322).

The spelling of 1121100201111 in words is "one trillion, one hundred twenty-one billion, one hundred million, two hundred one thousand, one hundred eleven".