101211212211011 has 16 divisors (see below), whose sum is σ = 117409666987008. Its totient is φ = 85449988226400.

The previous prime is 101211212210993. The next prime is 101211212211019. The reversal of 101211212211011 is 110112212112101.

It is not a de Polignac number, because 101211212211011 - 2³⁴ = 101194032341827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211212211019) 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, 95440775 + ... + 96495408.

It is an arithmetic number, because the mean of its divisors is an integer number (7338104186688).

Almost surely, 2^{101211212211011} is an apocalyptic number.

101211212211011 is a deficient number, since it is larger than the sum of its proper divisors (16198454775997).

101211212211011 is a wasteful number, since it uses less digits than its factorization.

101211212211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191937322.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101211212211011 its reverse (110112212112101), we get a palindrome (211323424323112).

The spelling of 101211212211011 in words is "one hundred one trillion, two hundred eleven billion, two hundred twelve million, two hundred eleven thousand, eleven".