121111132213 has 8 divisors (see below), whose sum is σ = 122965204032. Its totient is φ = 119258426496.

The previous prime is 121111132183. The next prime is 121111132229. The reversal of 121111132213 is 312231111121.

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 121111132213 - 2¹³ = 121111124021 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 (121111132243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162145 + ... + 518182.

It is an arithmetic number, because the mean of its divisors is an integer number (15370650504).

Almost surely, 2^121111132213 is an apocalyptic number.

It is an amenable number.

121111132213 is a deficient number, since it is larger than the sum of its proper divisors (1854071819).

121111132213 is an equidigital number, since it uses as much as digits as its factorization.

121111132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683051.

The product of its digits is 72, while the sum is 19.

Adding to 121111132213 its reverse (312231111121), we get a palindrome (433342243334).

The spelling of 121111132213 in words is "one hundred twenty-one billion, one hundred eleven million, one hundred thirty-two thousand, two hundred thirteen".