101111210201211 has 36 divisors (see below), whose sum is σ = 165513946753512. Its totient is φ = 54736895719296.

The previous prime is 101111210201203. The next prime is 101111210201213. The reversal of 101111210201211 is 112102012111101.

It is not a de Polignac number, because 101111210201211 - 2³ = 101111210201203 is a prime.

It is a super-2 number, since 2×101111210201211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101111210201213) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 952621950 + ... + 952728083.

It is an arithmetic number, because the mean of its divisors is an integer number (4597609632042).

Almost surely, 2^{101111210201211} is an apocalyptic number.

101111210201211 is a deficient number, since it is larger than the sum of its proper divisors (64402736552301).

101111210201211 is a wasteful number, since it uses less digits than its factorization.

101111210201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905350088 (or 1905350062 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101111210201211 its reverse (112102012111101), we get a palindrome (213213222312312).

The spelling of 101111210201211 in words is "one hundred one trillion, one hundred eleven billion, two hundred ten million, two hundred one thousand, two hundred eleven".