121022202212211 has 4 divisors (see below), whose sum is σ = 161362936282952. Its totient is φ = 80681468141472.

The previous prime is 121022202212201. The next prime is 121022202212221. The reversal of 121022202212211 is 112212202220121.

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

It is an interprime number because it is at equal distance from previous prime (121022202212201) and next prime (121022202212221).

It is not a de Polignac number, because 121022202212211 - 2²⁶ = 121022135103347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022202212201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20170367035366 + ... + 20170367035371.

It is an arithmetic number, because the mean of its divisors is an integer number (40340734070738).

Almost surely, 2^{121022202212211} is an apocalyptic number.

121022202212211 is a deficient number, since it is larger than the sum of its proper divisors (40340734070741).

121022202212211 is an equidigital number, since it uses as much as digits as its factorization.

121022202212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40340734070740.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121022202212211 its reverse (112212202220121), we get a palindrome (233234404432332).

The spelling of 121022202212211 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred two million, two hundred twelve thousand, two hundred eleven".