1100121022111 has 8 divisors (see below), whose sum is σ = 1142106260400. Its totient is φ = 1058405785920.

The previous prime is 1100121022097. The next prime is 1100121022211. The reversal of 1100121022111 is 1112201210011.

It is a happy number.

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 1100121022111 - 2¹³ = 1100121013919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100121022091 and 1100121022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100121022211) 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, 67492221 + ... + 67508518.

It is an arithmetic number, because the mean of its divisors is an integer number (142763282550).

Almost surely, 2^{1100121022111} is an apocalyptic number.

1100121022111 is a deficient number, since it is larger than the sum of its proper divisors (41985238289).

1100121022111 is a wasteful number, since it uses less digits than its factorization.

1100121022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135001049.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1100121022111 its reverse (1112201210011), we get a palindrome (2212322232122).

The spelling of 1100121022111 in words is "one trillion, one hundred billion, one hundred twenty-one million, twenty-two thousand, one hundred eleven".