1100021213311 has 4 divisors (see below), whose sum is σ = 1103285371552. Its totient is φ = 1096757055072.

The previous prime is 1100021213303. The next prime is 1100021213321. The reversal of 1100021213311 is 1133121200011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1100021213311 - 2³ = 1100021213303 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 (1100021213321) 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, 1632078615 + ... + 1632079288.

It is an arithmetic number, because the mean of its divisors is an integer number (275821342888).

Almost surely, 2^{1100021213311} is an apocalyptic number.

1100021213311 is a deficient number, since it is larger than the sum of its proper divisors (3264158241).

1100021213311 is an equidigital number, since it uses as much as digits as its factorization.

1100021213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264158240.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1100021213311 its reverse (1133121200011), we get a palindrome (2233142413322).

The spelling of 1100021213311 in words is "one trillion, one hundred billion, twenty-one million, two hundred thirteen thousand, three hundred eleven".