121340422213 has 16 divisors (see below), whose sum is σ = 130421071872. Its totient is φ = 112608144000.

The previous prime is 121340422211. The next prime is 121340422223. The reversal of 121340422213 is 312224043121.

It is a cyclic number.

It is not a de Polignac number, because 121340422213 - 2¹ = 121340422211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340422211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184773 + ... + 526138.

It is an arithmetic number, because the mean of its divisors is an integer number (8151316992).

Almost surely, 2^121340422213 is an apocalyptic number.

It is an amenable number.

121340422213 is a deficient number, since it is larger than the sum of its proper divisors (9080649659).

121340422213 is a wasteful number, since it uses less digits than its factorization.

121340422213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711156.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121340422213 its reverse (312224043121), we get a palindrome (433564465334).

The spelling of 121340422213 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty-two thousand, two hundred thirteen".