121000101002273 has 2 divisors, whose sum is σ = 121000101002274. Its totient is φ = 121000101002272.

The previous prime is 121000101002189. The next prime is 121000101002293. The reversal of 121000101002273 is 372200101000121.

It is an a-pointer prime, because the next prime (121000101002293) can be obtained adding 121000101002273 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67510083468304 + 53490017533969 = 8216452^2 + 7313687^2 .

It is an emirp because it is prime and its reverse (372200101000121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121000101002273 - 2¹⁴ = 121000100985889 is a prime.

It is not a weakly prime, because it can be changed into another prime (121000101002293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500050501136 + 60500050501137.

It is an arithmetic number, because the mean of its divisors is an integer number (60500050501137).

Almost surely, 2^{121000101002273} is an apocalyptic number.

It is an amenable number.

121000101002273 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000101002273 is an equidigital number, since it uses as much as digits as its factorization.

121000101002273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 121000101002273 its reverse (372200101000121), we get a palindrome (493200202002394).

The spelling of 121000101002273 in words is "one hundred twenty-one trillion, one hundred one million, two thousand, two hundred seventy-three".