1121202010001 has 2 divisors, whose sum is σ = 1121202010002. Its totient is φ = 1121202010000.

The previous prime is 1121202009943. The next prime is 1121202010009. The reversal of 1121202010001 is 1000102021211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114342029376 + 6859980625 = 1055624^2 + 82825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121202010001 - 2⁶ = 1121202009937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121202010009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560601005000 + 560601005001.

It is an arithmetic number, because the mean of its divisors is an integer number (560601005001).

Almost surely, 2^{1121202010001} is an apocalyptic number.

It is an amenable number.

1121202010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121202010001 is an equidigital number, since it uses as much as digits as its factorization.

1121202010001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1121202010001 its reverse (1000102021211), we get a palindrome (2121304031212).

The spelling of 1121202010001 in words is "one trillion, one hundred twenty-one billion, two hundred two million, ten thousand, one".