1102001221011 has 4 divisors (see below), whose sum is σ = 1469334961352. Its totient is φ = 734667480672.

The previous prime is 1102001220989. The next prime is 1102001221049. The reversal of 1102001221011 is 1101221002011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1102001221011 - 2⁹ = 1102001220499 is a prime.

It is a super-2 number, since 2×1102001221011² (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 (1102001221051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183666870166 + ... + 183666870171.

It is an arithmetic number, because the mean of its divisors is an integer number (367333740338).

Almost surely, 2^{1102001221011} is an apocalyptic number.

1102001221011 is a deficient number, since it is larger than the sum of its proper divisors (367333740341).

1102001221011 is an equidigital number, since it uses as much as digits as its factorization.

1102001221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367333740340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1102001221011 its reverse (1101221002011), we get a palindrome (2203222223022).

The spelling of 1102001221011 in words is "one trillion, one hundred two billion, one million, two hundred twenty-one thousand, eleven".