121102111321211 has 8 divisors (see below), whose sum is σ = 121270753996704. Its totient is φ = 120933584755200.

The previous prime is 121102111321207. The next prime is 121102111321297. The reversal of 121102111321211 is 112123111201121.

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 121102111321211 - 2² = 121102111321207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102111321511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26939816 + ... + 31112021.

It is an arithmetic number, because the mean of its divisors is an integer number (15158844249588).

Almost surely, 2^{121102111321211} is an apocalyptic number.

121102111321211 is a deficient number, since it is larger than the sum of its proper divisors (168642675493).

121102111321211 is a wasteful number, since it uses less digits than its factorization.

121102111321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58054741.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 121102111321211 its reverse (112123111201121), we get a palindrome (233225222522332).

The spelling of 121102111321211 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred eleven million, three hundred twenty-one thousand, two hundred eleven".