121112121202273 has 2 divisors, whose sum is σ = 121112121202274. Its totient is φ = 121112121202272.

The previous prime is 121112121202201. The next prime is 121112121202307. The reversal of 121112121202273 is 372202121211121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98551027180369 + 22561094021904 = 9927287^2 + 4749852^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112121202273 - 2⁴⁵ = 85927749113441 is a prime.

It is a super-2 number, since 2×121112121202273² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121112121203273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556060601136 + 60556060601137.

It is an arithmetic number, because the mean of its divisors is an integer number (60556060601137).

Almost surely, 2^{121112121202273} is an apocalyptic number.

It is an amenable number.

121112121202273 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112121202273 is an equidigital number, since it uses as much as digits as its factorization.

121112121202273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 121112121202273 its reverse (372202121211121), we get a palindrome (493314242413394).

The spelling of 121112121202273 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred two thousand, two hundred seventy-three".