1100121201111 has 8 divisors (see below), whose sum is σ = 1514145309184. Its totient is φ = 709755613560.

The previous prime is 1100121201107. The next prime is 1100121201121. The reversal of 1100121201111 is 1111021210011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100121201111 - 2² = 1100121201107 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 (1100121201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5914630021 + ... + 5914630206.

It is an arithmetic number, because the mean of its divisors is an integer number (189268163648).

Almost surely, 2^{1100121201111} is an apocalyptic number.

1100121201111 is a deficient number, since it is larger than the sum of its proper divisors (414024108073).

1100121201111 is a wasteful number, since it uses less digits than its factorization.

1100121201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11829260261.

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

Adding to 1100121201111 its reverse (1111021210011), we get a palindrome (2211142411122).

The spelling of 1100121201111 in words is "one trillion, one hundred billion, one hundred twenty-one million, two hundred one thousand, one hundred eleven".