121301100223 has 2 divisors, whose sum is σ = 121301100224. Its totient is φ = 121301100222.

The previous prime is 121301100073. The next prime is 121301100253. The reversal of 121301100223 is 322001103121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121301100223 - 2¹⁷ = 121300969151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301100197 and 121301100206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301100253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650550111 + 60650550112.

It is an arithmetic number, because the mean of its divisors is an integer number (60650550112).

Almost surely, 2^121301100223 is an apocalyptic number.

121301100223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301100223 is an equidigital number, since it uses as much as digits as its factorization.

121301100223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121301100223 its reverse (322001103121), we get a palindrome (443302203344).

The spelling of 121301100223 in words is "one hundred twenty-one billion, three hundred one million, one hundred thousand, two hundred twenty-three".