210211200010121 has 8 divisors (see below), whose sum is σ = 211427372076480. Its totient is φ = 208995040339792.

The previous prime is 210211200010103. The next prime is 210211200010127. The reversal of 210211200010121 is 121010002112012.

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 210211200010121 - 2⁶ = 210211200010057 is a prime.

It is a super-2 number, since 2×210211200010121² (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 = 210211200010096 and 210211200010105.

It is not an unprimeable number, because it can be changed into a prime (210211200010127) 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, 32065886 + ... + 38061048.

It is an arithmetic number, because the mean of its divisors is an integer number (26428421509560).

Almost surely, 2^{210211200010121} is an apocalyptic number.

It is an amenable number.

210211200010121 is a deficient number, since it is larger than the sum of its proper divisors (1216172066359).

210211200010121 is a wasteful number, since it uses less digits than its factorization.

210211200010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198015.

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

Adding to 210211200010121 its reverse (121010002112012), we get a palindrome (331221202122133).

The spelling of 210211200010121 in words is "two hundred ten trillion, two hundred eleven billion, two hundred million, ten thousand, one hundred twenty-one".