1210210211011 has 2 divisors, whose sum is σ = 1210210211012. Its totient is φ = 1210210211010.

The previous prime is 1210210210999. The next prime is 1210210211029. The reversal of 1210210211011 is 1101120120121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210210211011 - 2¹⁹ = 1210209686723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210210210982 and 1210210211000.

It is not a weakly prime, because it can be changed into another prime (1210210211911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605105105505 + 605105105506.

It is an arithmetic number, because the mean of its divisors is an integer number (605105105506).

Almost surely, 2^{1210210211011} is an apocalyptic number.

1210210211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210210211011 is an equidigital number, since it uses as much as digits as its factorization.

1210210211011 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 13.

Adding to 1210210211011 its reverse (1101120120121), we get a palindrome (2311330331132).

The spelling of 1210210211011 in words is "one trillion, two hundred ten billion, two hundred ten million, two hundred eleven thousand, eleven".