1201110101211 has 16 divisors (see below), whose sum is σ = 1618043391104. Its totient is φ = 792458982144.

The previous prime is 1201110101189. The next prime is 1201110101227. The reversal of 1201110101211 is 1121010111021.

It is not a de Polignac number, because 1201110101211 - 2⁷ = 1201110101083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201110101111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13384056 + ... + 13473498.

It is an arithmetic number, because the mean of its divisors is an integer number (101127711944).

Almost surely, 2^{1201110101211} is an apocalyptic number.

1201110101211 is a deficient number, since it is larger than the sum of its proper divisors (416933289893).

1201110101211 is an equidigital number, since it uses as much as digits as its factorization.

1201110101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135690.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1201110101211 its reverse (1121010111021), we get a palindrome (2322120212232).

The spelling of 1201110101211 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred one thousand, two hundred eleven".