211011200111121 has 8 divisors (see below), whose sum is σ = 281675796814560. Its totient is φ = 140510368407552.

The previous prime is 211011200111093. The next prime is 211011200111123. The reversal of 211011200111121 is 121111002110112.

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

It is not a de Polignac number, because 211011200111121 - 2⁶ = 211011200111057 is a prime.

It is a super-2 number, since 2×211011200111121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211011200111121.

It is not an unprimeable number, because it can be changed into a prime (211011200111123) 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, 40941246960 + ... + 40941252113.

It is an arithmetic number, because the mean of its divisors is an integer number (35209474601820).

Almost surely, 2^{211011200111121} is an apocalyptic number.

It is an amenable number.

211011200111121 is a deficient number, since it is larger than the sum of its proper divisors (70664596703439).

211011200111121 is an equidigital number, since it uses as much as digits as its factorization.

211011200111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81882499935.

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

Adding to 211011200111121 its reverse (121111002110112), we get a palindrome (332122202221233).

The spelling of 211011200111121 in words is "two hundred eleven trillion, eleven billion, two hundred million, one hundred eleven thousand, one hundred twenty-one".