121112202000001 has 2 divisors, whose sum is σ = 121112202000002. Its totient is φ = 121112202000000.

The previous prime is 121112201999959. The next prime is 121112202000113. The reversal of 121112202000001 is 100000202211121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74584796790001 + 46527405210000 = 8636249^2 + 6821100^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112202000001 - 2²⁷ = 121112067782273 is a prime.

It is not a weakly prime, because it can be changed into another prime (121112202000701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556101000000 + 60556101000001.

It is an arithmetic number, because the mean of its divisors is an integer number (60556101000001).

Almost surely, 2^{121112202000001} is an apocalyptic number.

It is an amenable number.

121112202000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112202000001 is an equidigital number, since it uses as much as digits as its factorization.

121112202000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121112202000001 its reverse (100000202211121), we get a palindrome (221112404211122).

The spelling of 121112202000001 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred two million, one", and thus it is an aban number.