1101212021109 has 8 divisors (see below), whose sum is σ = 1507966011040. Its totient is φ = 714299689296.

The previous prime is 1101212021083. The next prime is 1101212021123. The reversal of 1101212021109 is 9011202121011.

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

It is not a de Polignac number, because 1101212021109 - 2⁷ = 1101212020981 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 (1101212021159) 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, 4960414399 + ... + 4960414620.

It is an arithmetic number, because the mean of its divisors is an integer number (188495751380).

Almost surely, 2^{1101212021109} is an apocalyptic number.

It is an amenable number.

1101212021109 is a deficient number, since it is larger than the sum of its proper divisors (406753989931).

1101212021109 is an equidigital number, since it uses as much as digits as its factorization.

1101212021109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9920829059.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 1101212021109 in words is "one trillion, one hundred one billion, two hundred twelve million, twenty-one thousand, one hundred nine".