101200012123211 has 4 divisors (see below), whose sum is σ = 101653823836992. Its totient is φ = 100746200409432.

The previous prime is 101200012123207. The next prime is 101200012123261. The reversal of 101200012123211 is 112321210002101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101200012123211 - 2² = 101200012123207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101200012123211.

It is not an unprimeable number, because it can be changed into a prime (101200012123261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226905856556 + ... + 226905857001.

It is an arithmetic number, because the mean of its divisors is an integer number (25413455959248).

Almost surely, 2^{101200012123211} is an apocalyptic number.

101200012123211 is a deficient number, since it is larger than the sum of its proper divisors (453811713781).

101200012123211 is an equidigital number, since it uses as much as digits as its factorization.

101200012123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453811713780.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101200012123211 its reverse (112321210002101), we get a palindrome (213521222125312).

The spelling of 101200012123211 in words is "one hundred one trillion, two hundred billion, twelve million, one hundred twenty-three thousand, two hundred eleven".