2021010106211 has 2 divisors, whose sum is σ = 2021010106212. Its totient is φ = 2021010106210.

The previous prime is 2021010106207. The next prime is 2021010106217. The reversal of 2021010106211 is 1126010101202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021010106211 - 2² = 2021010106207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021010106211.

It is not a weakly prime, because it can be changed into another prime (2021010106217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010505053105 + 1010505053106.

It is an arithmetic number, because the mean of its divisors is an integer number (1010505053106).

Almost surely, 2^{2021010106211} is an apocalyptic number.

2021010106211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021010106211 is an equidigital number, since it uses as much as digits as its factorization.

2021010106211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2021010106211 its reverse (1126010101202), we get a palindrome (3147020207413).

The spelling of 2021010106211 in words is "two trillion, twenty-one billion, ten million, one hundred six thousand, two hundred eleven".