211101200121 has 8 divisors (see below), whose sum is σ = 321678019264. Its totient is φ = 120629257200.

The previous prime is 211101200059. The next prime is 211101200147. The reversal of 211101200121 is 121002101112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211101200121 - 2¹⁴ = 211101183737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211101200097 and 211101200106.

It is not an unprimeable number, because it can be changed into a prime (211101200161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5026219030 + ... + 5026219071.

It is an arithmetic number, because the mean of its divisors is an integer number (40209752408).

Almost surely, 2^211101200121 is an apocalyptic number.

211101200121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211101200121 is a deficient number, since it is larger than the sum of its proper divisors (110576819143).

211101200121 is a wasteful number, since it uses less digits than its factorization.

211101200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052438111.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211101200121 its reverse (121002101112), we get a palindrome (332103301233).

Subtracting from 211101200121 its reverse (121002101112), we obtain a palindrome (90099099009).

The spelling of 211101200121 in words is "two hundred eleven billion, one hundred one million, two hundred thousand, one hundred twenty-one".