1011210120211 has 2 divisors, whose sum is σ = 1011210120212. Its totient is φ = 1011210120210.

The previous prime is 1011210120203. The next prime is 1011210120251. The reversal of 1011210120211 is 1120210121101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011210120211 - 2³ = 1011210120203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011210120191 and 1011210120200.

It is not a weakly prime, because it can be changed into another prime (1011210120251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605060105 + 505605060106.

It is an arithmetic number, because the mean of its divisors is an integer number (505605060106).

Almost surely, 2^{1011210120211} is an apocalyptic number.

1011210120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011210120211 is an equidigital number, since it uses as much as digits as its factorization.

1011210120211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011210120211 its reverse (1120210121101), we get a palindrome (2131420241312).

The spelling of 1011210120211 in words is "one trillion, eleven billion, two hundred ten million, one hundred twenty thousand, two hundred eleven".