101211001101211 has 32 divisors (see below), whose sum is σ = 102475471507200. Its totient is φ = 99957594240000.

The previous prime is 101211001101193. The next prime is 101211001101269. The reversal of 101211001101211 is 112101100112101.

It is a cyclic number.

It is not a de Polignac number, because 101211001101211 - 2²³ = 101210992712603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101211001101191 and 101211001101200.

It is not an unprimeable number, because it can be changed into a prime (101211001101911) 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, 17910278736 + ... + 17910284386.

It is an arithmetic number, because the mean of its divisors is an integer number (3202358484600).

Almost surely, 2^{101211001101211} is an apocalyptic number.

101211001101211 is a deficient number, since it is larger than the sum of its proper divisors (1264470405989).

101211001101211 is a wasteful number, since it uses less digits than its factorization.

101211001101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 101211001101211 its reverse (112101100112101), we get a palindrome (213312101213312).

The spelling of 101211001101211 in words is "one hundred one trillion, two hundred eleven billion, one million, one hundred one thousand, two hundred eleven".