10002020111201 has 2 divisors, whose sum is σ = 10002020111202. Its totient is φ = 10002020111200.

The previous prime is 10002020111101. The next prime is 10002020111257. The reversal of 10002020111201 is 10211102020001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9410636040976 + 591384070225 = 3067676^2 + 769015^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002020111201 - 2¹⁰ = 10002020110177 is a prime.

It is not a weakly prime, because it can be changed into another prime (10002020111101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001010055600 + 5001010055601.

It is an arithmetic number, because the mean of its divisors is an integer number (5001010055601).

Almost surely, 2^{10002020111201} is an apocalyptic number.

It is an amenable number.

10002020111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002020111201 is an equidigital number, since it uses as much as digits as its factorization.

10002020111201 is an evil number, because the sum of its binary digits is even.

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

Adding to 10002020111201 its reverse (10211102020001), we get a palindrome (20213122131202).

The spelling of 10002020111201 in words is "ten trillion, two billion, twenty million, one hundred eleven thousand, two hundred one".