102121211200211 has 8 divisors (see below), whose sum is σ = 119424140673024. Its totient is φ = 85496827981320.

The previous prime is 102121211200207. The next prime is 102121211200213. The reversal of 102121211200211 is 112002112121201.

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

It is not a de Polignac number, because 102121211200211 - 2² = 102121211200207 is a prime.

It is a super-2 number, since 2×102121211200211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102121211200211.

It is not an unprimeable number, because it can be changed into a prime (102121211200213) 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, 169636563155 + ... + 169636563756.

It is an arithmetic number, because the mean of its divisors is an integer number (14928017584128).

Almost surely, 2^{102121211200211} is an apocalyptic number.

102121211200211 is a deficient number, since it is larger than the sum of its proper divisors (17302929472813).

102121211200211 is an equidigital number, since it uses as much as digits as its factorization.

102121211200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339273126961.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102121211200211 its reverse (112002112121201), we get a palindrome (214123323321412).

The spelling of 102121211200211 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred eleven million, two hundred thousand, two hundred eleven".