1101212121011 has 8 divisors (see below), whose sum is σ = 1151984786400. Its totient is φ = 1051292777920.

The previous prime is 1101212121001. The next prime is 1101212121101.

1101212121011 is nontrivially palindromic in base 10.

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 1101212121011 - 2³⁰ = 1100138379187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101212121001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213327935 + ... + 213333096.

It is an arithmetic number, because the mean of its divisors is an integer number (143998098300).

Almost surely, 2^{1101212121011} is an apocalyptic number.

1101212121011 is a deficient number, since it is larger than the sum of its proper divisors (50772665389).

1101212121011 is an equidigital number, since it uses as much as digits as its factorization.

1101212121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426661149.

The product of its (nonzero) digits is 8, while the sum is 14.

The spelling of 1101212121011 in words is "one trillion, one hundred one billion, two hundred twelve million, one hundred twenty-one thousand, eleven".