210002121001211 has 32 divisors (see below), whose sum is σ = 270270135889920. Its totient is φ = 158357333606400.

The previous prime is 210002121001201. The next prime is 210002121001213. The reversal of 210002121001211 is 112100121200012.

It is a cyclic number.

It is not a de Polignac number, because 210002121001211 - 2³⁸ = 209727243094267 is a prime.

It is a super-2 number, since 2×210002121001211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210002121001213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199910135 + ... + 200957871.

It is an arithmetic number, because the mean of its divisors is an integer number (8445941746560).

Almost surely, 2^{210002121001211} is an apocalyptic number.

210002121001211 is a deficient number, since it is larger than the sum of its proper divisors (60268014888709).

210002121001211 is a wasteful number, since it uses less digits than its factorization.

210002121001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131755.

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

Adding to 210002121001211 its reverse (112100121200012), we get a palindrome (322102242201223).

The spelling of 210002121001211 in words is "two hundred ten trillion, two billion, one hundred twenty-one million, one thousand, two hundred eleven".