1021112020211 has 2 divisors, whose sum is σ = 1021112020212. Its totient is φ = 1021112020210.

The previous prime is 1021112020207. The next prime is 1021112020273. The reversal of 1021112020211 is 1120202111201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021112020211 - 2² = 1021112020207 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021112020811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510556010105 + 510556010106.

It is an arithmetic number, because the mean of its divisors is an integer number (510556010106).

Almost surely, 2^{1021112020211} is an apocalyptic number.

1021112020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021112020211 is an equidigital number, since it uses as much as digits as its factorization.

1021112020211 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 14.

Adding to 1021112020211 its reverse (1120202111201), we get a palindrome (2141314131412).

The spelling of 1021112020211 in words is "one trillion, twenty-one billion, one hundred twelve million, twenty thousand, two hundred eleven".