10211111021201 has 2 divisors, whose sum is σ = 10211111021202. Its totient is φ = 10211111021200.

The previous prime is 10211111021149. The next prime is 10211111021213. The reversal of 10211111021201 is 10212011111201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7300074478225 + 2911036542976 = 2701865^2 + 1706176^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211111021201 - 2²⁶ = 10211043912337 is a prime.

It is not a weakly prime, because it can be changed into another prime (10211111024201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105555510600 + 5105555510601.

It is an arithmetic number, because the mean of its divisors is an integer number (5105555510601).

Almost surely, 2^{10211111021201} is an apocalyptic number.

It is an amenable number.

10211111021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211111021201 is an equidigital number, since it uses as much as digits as its factorization.

10211111021201 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 14.

Adding to 10211111021201 its reverse (10212011111201), we get a palindrome (20423122132402).

The spelling of 10211111021201 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, twenty-one thousand, two hundred one".