1210100101211 has 2 divisors, whose sum is σ = 1210100101212. Its totient is φ = 1210100101210.

The previous prime is 1210100101207. The next prime is 1210100101241. The reversal of 1210100101211 is 1121010010121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210100101211 - 2² = 1210100101207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210100101192 and 1210100101201.

It is not a weakly prime, because it can be changed into another prime (1210100101201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605050050605 + 605050050606.

It is an arithmetic number, because the mean of its divisors is an integer number (605050050606).

Almost surely, 2^{1210100101211} is an apocalyptic number.

1210100101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210100101211 is an equidigital number, since it uses as much as digits as its factorization.

1210100101211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1210100101211 its reverse (1121010010121), we get a palindrome (2331110111332).

The spelling of 1210100101211 in words is "one trillion, two hundred ten billion, one hundred million, one hundred one thousand, two hundred eleven".