1100022121211 has 8 divisors (see below), whose sum is σ = 1184928836784. Its totient is φ = 1015156781280.

The previous prime is 1100022121151. The next prime is 1100022121259. The reversal of 1100022121211 is 1121212200011.

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 1100022121211 - 2¹⁸ = 1100021859067 is a prime.

It is a super-2 number, since 2×1100022121211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100022121291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10288676 + ... + 10395041.

It is an arithmetic number, because the mean of its divisors is an integer number (148116104598).

Almost surely, 2^{1100022121211} is an apocalyptic number.

1100022121211 is a deficient number, since it is larger than the sum of its proper divisors (84906715573).

1100022121211 is a wasteful number, since it uses less digits than its factorization.

1100022121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20687821.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1100022121211 its reverse (1121212200011), we get a palindrome (2221234321222).

The spelling of 1100022121211 in words is "one trillion, one hundred billion, twenty-two million, one hundred twenty-one thousand, two hundred eleven".