121122120100211 has 4 divisors (see below), whose sum is σ = 121122226507800. Its totient is φ = 121122013692624.

The previous prime is 121122120100187. The next prime is 121122120100231. The reversal of 121122120100211 is 112001021221121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121122120100211 - 2¹⁴ = 121122120083827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121122120100211.

It is not an unprimeable number, because it can be changed into a prime (121122120100231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51477701 + ... + 53779158.

It is an arithmetic number, because the mean of its divisors is an integer number (30280556626950).

Almost surely, 2^{121122120100211} is an apocalyptic number.

121122120100211 is a deficient number, since it is larger than the sum of its proper divisors (106407589).

121122120100211 is a wasteful number, since it uses less digits than its factorization.

121122120100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106407588.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121122120100211 its reverse (112001021221121), we get a palindrome (233123141321332).

The spelling of 121122120100211 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred thousand, two hundred eleven".