210211100200121 has 8 divisors (see below), whose sum is σ = 215787758054400. Its totient is φ = 204655849862560.

The previous prime is 210211100200109. The next prime is 210211100200133. The reversal of 210211100200121 is 121002001112012.

It is an interprime number because it is at equal distance from previous prime (210211100200109) and next prime (210211100200133).

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

It is a cyclic number.

It is not a de Polignac number, because 210211100200121 - 2¹⁴ = 210211100183737 is a prime.

It is a super-2 number, since 2×210211100200121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210211100200096 and 210211100200105.

It is not an unprimeable number, because it can be changed into a prime (210211100200721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5351859281 + ... + 5351898558.

It is an arithmetic number, because the mean of its divisors is an integer number (26973469756800).

Almost surely, 2^{210211100200121} is an apocalyptic number.

It is an amenable number.

210211100200121 is a deficient number, since it is larger than the sum of its proper divisors (5576657854279).

210211100200121 is a wasteful number, since it uses less digits than its factorization.

210211100200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10703758359.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210211100200121 its reverse (121002001112012), we get a palindrome (331213101312133).

The spelling of 210211100200121 in words is "two hundred ten trillion, two hundred eleven billion, one hundred million, two hundred thousand, one hundred twenty-one".