2021011210201 has 2 divisors, whose sum is σ = 2021011210202. Its totient is φ = 2021011210200.

The previous prime is 2021011210189. The next prime is 2021011210213. The reversal of 2021011210201 is 1020121101202.

It is a balanced prime because it is at equal distance from previous prime (2021011210189) and next prime (2021011210213).

It can be written as a sum of positive squares in only one way, i.e., 1918834448400 + 102176761801 = 1385220^2 + 319651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021011210201 is a prime.

It is a super-2 number, since 2×2021011210201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021011210261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010505605100 + 1010505605101.

It is an arithmetic number, because the mean of its divisors is an integer number (1010505605101).

Almost surely, 2^{2021011210201} is an apocalyptic number.

It is an amenable number.

2021011210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021011210201 is an equidigital number, since it uses as much as digits as its factorization.

2021011210201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2021011210201 its reverse (1020121101202), we get a palindrome (3041132311403).

The spelling of 2021011210201 in words is "two trillion, twenty-one billion, eleven million, two hundred ten thousand, two hundred one".