210100001121211 has 8 divisors (see below), whose sum is σ = 215328412560384. Its totient is φ = 204903181292520.

The previous prime is 210100001121191. The next prime is 210100001121299. The reversal of 210100001121211 is 112121100001012.

It is a happy number.

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

It is not a de Polignac number, because 210100001121211 - 2²⁷ = 210099866903483 is a prime.

It is a super-2 number, since 2×210100001121211² (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 = 210100001121191 and 210100001121200.

It is not an unprimeable number, because it can be changed into a prime (210100001821211) 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, 7897889155 + ... + 7897915756.

It is an arithmetic number, because the mean of its divisors is an integer number (26916051570048).

Almost surely, 2^{210100001121211} is an apocalyptic number.

210100001121211 is a deficient number, since it is larger than the sum of its proper divisors (5228411439173).

210100001121211 is a wasteful number, since it uses less digits than its factorization.

210100001121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15795805241.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210100001121211 its reverse (112121100001012), we get a palindrome (322221101122223).

The spelling of 210100001121211 in words is "two hundred ten trillion, one hundred billion, one million, one hundred twenty-one thousand, two hundred eleven".