121342022211 has 16 divisors (see below), whose sum is σ = 167017697280. Its totient is φ = 78280805760.

The previous prime is 121342022189. The next prime is 121342022233. The reversal of 121342022211 is 112220243121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121342022189) and next prime (121342022233).

It is not a de Polignac number, because 121342022211 - 2²² = 121337827907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121342020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2936230 + ... + 2977268.

It is an arithmetic number, because the mean of its divisors is an integer number (10438606080).

Almost surely, 2^121342022211 is an apocalyptic number.

121342022211 is a deficient number, since it is larger than the sum of its proper divisors (45675675069).

121342022211 is a wasteful number, since it uses less digits than its factorization.

121342022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72866.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121342022211 its reverse (112220243121), we get a palindrome (233562265332).

The spelling of 121342022211 in words is "one hundred twenty-one billion, three hundred forty-two million, twenty-two thousand, two hundred eleven".