1100121112211 has 8 divisors (see below), whose sum is σ = 1263296971200. Its totient is φ = 947472728040.

The previous prime is 1100121112187. The next prime is 1100121112241. The reversal of 1100121112211 is 1122111210011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100121112211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100121112241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2631868481 + ... + 2631868898.

It is an arithmetic number, because the mean of its divisors is an integer number (157912121400).

Almost surely, 2^{1100121112211} is an apocalyptic number.

1100121112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100121112211 is a deficient number, since it is larger than the sum of its proper divisors (163175858989).

1100121112211 is a wasteful number, since it uses less digits than its factorization.

1100121112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263737409.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1100121112211 its reverse (1122111210011), we get a palindrome (2222232322222).

The spelling of 1100121112211 in words is "one trillion, one hundred billion, one hundred twenty-one million, one hundred twelve thousand, two hundred eleven".