121220122232311 has 8 divisors (see below), whose sum is σ = 126490725602784. Its totient is φ = 115949532468000.

The previous prime is 121220122232269. The next prime is 121220122232351. The reversal of 121220122232311 is 113232221022121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121220122232311 - 2⁹ = 121220122231799 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 (121220122232351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17550061 + ... + 23461561.

It is an arithmetic number, because the mean of its divisors is an integer number (15811340700348).

Almost surely, 2^{121220122232311} is an apocalyptic number.

121220122232311 is a deficient number, since it is larger than the sum of its proper divisors (5270603370473).

121220122232311 is an equidigital number, since it uses as much as digits as its factorization.

121220122232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803081.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121220122232311 its reverse (113232221022121), we get a palindrome (234452343254432).

The spelling of 121220122232311 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred eleven".