1210101112211 has 32 divisors (see below), whose sum is σ = 1282080441600. Its totient is φ = 1140458417280.

The previous prime is 1210101112201. The next prime is 1210101112229. The reversal of 1210101112211 is 1122111010121.

It is not a de Polignac number, because 1210101112211 - 2¹⁰ = 1210101111187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210101112201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165604820 + ... + 165612126.

It is an arithmetic number, because the mean of its divisors is an integer number (40065013800).

Almost surely, 2^{1210101112211} is an apocalyptic number.

1210101112211 is a deficient number, since it is larger than the sum of its proper divisors (71979329389).

1210101112211 is a wasteful number, since it uses less digits than its factorization.

1210101112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8099.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1210101112211 its reverse (1122111010121), we get a palindrome (2332212122332).

The spelling of 1210101112211 in words is "one trillion, two hundred ten billion, one hundred one million, one hundred twelve thousand, two hundred eleven".