101200011112221 has 24 divisors (see below), whose sum is σ = 162026614243584. Its totient is φ = 55963139783040.

The previous prime is 101200011112169. The next prime is 101200011112297. The reversal of 101200011112221 is 122211110002101.

It is a happy number.

It is not a de Polignac number, because 101200011112221 - 2⁶ = 101200011112157 is a prime.

It is a super-2 number, since 2×101200011112221² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101200011112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200011112621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11103793020 + ... + 11103802133.

It is an arithmetic number, because the mean of its divisors is an integer number (6751108926816).

Almost surely, 2^{101200011112221} is an apocalyptic number.

It is an amenable number.

101200011112221 is a deficient number, since it is larger than the sum of its proper divisors (60826603131363).

101200011112221 is a wasteful number, since it uses less digits than its factorization.

101200011112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22207595201 (or 22207595194 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101200011112221 its reverse (122211110002101), we get a palindrome (223411121114322).

The spelling of 101200011112221 in words is "one hundred one trillion, two hundred billion, eleven million, one hundred twelve thousand, two hundred twenty-one".