121000121201211 has 8 divisors (see below), whose sum is σ = 184381137068544. Its totient is φ = 69142926400680.

The previous prime is 121000121201191. The next prime is 121000121201237. The reversal of 121000121201211 is 112102121000121.

It is a happy number.

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

It is not a de Polignac number, because 121000121201211 - 2¹⁴ = 121000121184827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121000121201111) 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, 2880955266675 + ... + 2880955266716.

It is an arithmetic number, because the mean of its divisors is an integer number (23047642133568).

Almost surely, 2^{121000121201211} is an apocalyptic number.

121000121201211 is a deficient number, since it is larger than the sum of its proper divisors (63381015867333).

121000121201211 is an equidigital number, since it uses as much as digits as its factorization.

121000121201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761910533401.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121000121201211 its reverse (112102121000121), we get a palindrome (233102242201332).

The spelling of 121000121201211 in words is "one hundred twenty-one trillion, one hundred twenty-one million, two hundred one thousand, two hundred eleven".