121200311220223 has 2 divisors, whose sum is σ = 121200311220224. Its totient is φ = 121200311220222.

The previous prime is 121200311220217. The next prime is 121200311220229. The reversal of 121200311220223 is 322022113002121.

It is a balanced prime because it is at equal distance from previous prime (121200311220217) and next prime (121200311220229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121200311220223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121200311220194 and 121200311220203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121200311220229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600155610111 + 60600155610112.

It is an arithmetic number, because the mean of its divisors is an integer number (60600155610112).

Almost surely, 2^{121200311220223} is an apocalyptic number.

121200311220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200311220223 is an equidigital number, since it uses as much as digits as its factorization.

121200311220223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121200311220223 its reverse (322022113002121), we get a palindrome (443222424222344).

The spelling of 121200311220223 in words is "one hundred twenty-one trillion, two hundred billion, three hundred eleven million, two hundred twenty thousand, two hundred twenty-three".