121310322201111 has 16 divisors (see below), whose sum is σ = 167325945897600. Its totient is φ = 78084168771168.

The previous prime is 121310322201097. The next prime is 121310322201137. The reversal of 121310322201111 is 111102223013121.

It is not a de Polignac number, because 121310322201111 - 2⁷ = 121310322200983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310322201161) 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, 5174400 + ... + 16413258.

It is an arithmetic number, because the mean of its divisors is an integer number (10457871618600).

Almost surely, 2^{121310322201111} is an apocalyptic number.

121310322201111 is a deficient number, since it is larger than the sum of its proper divisors (46015623696489).

121310322201111 is a wasteful number, since it uses less digits than its factorization.

121310322201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362958.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121310322201111 its reverse (111102223013121), we get a palindrome (232412545214232).

The spelling of 121310322201111 in words is "one hundred twenty-one trillion, three hundred ten billion, three hundred twenty-two million, two hundred one thousand, one hundred eleven".