121111200010037 has 2 divisors, whose sum is σ = 121111200010038. Its totient is φ = 121111200010036.

The previous prime is 121111200009991. The next prime is 121111200010111. The reversal of 121111200010037 is 730010002111121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118996484919601 + 2114715090436 = 10908551^2 + 1454206^2 .

It is a cyclic number.

It is not a de Polignac number, because 121111200010037 - 2³⁰ = 121110126268213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121111200015037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555600005018 + 60555600005019.

It is an arithmetic number, because the mean of its divisors is an integer number (60555600005019).

Almost surely, 2^{121111200010037} is an apocalyptic number.

It is an amenable number.

121111200010037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121111200010037 is an equidigital number, since it uses as much as digits as its factorization.

121111200010037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 121111200010037 its reverse (730010002111121), we get a palindrome (851121202121158).

The spelling of 121111200010037 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred million, ten thousand, thirty-seven".