102212110211 has 4 divisors (see below), whose sum is σ = 102212749752. Its totient is φ = 102211470672.

The previous prime is 102212110201. The next prime is 102212110223. The reversal of 102212110211 is 112011212201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102212110211 - 2²² = 102207915907 is a prime.

It is a super-2 number, since 2×102212110211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212110201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150311 + ... + 476463.

It is an arithmetic number, because the mean of its divisors is an integer number (25553187438).

Almost surely, 2^102212110211 is an apocalyptic number.

102212110211 is a deficient number, since it is larger than the sum of its proper divisors (639541).

102212110211 is an equidigital number, since it uses as much as digits as its factorization.

102212110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639540.

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

Adding to 102212110211 its reverse (112011212201), we get a palindrome (214223322412).

The spelling of 102212110211 in words is "one hundred two billion, two hundred twelve million, one hundred ten thousand, two hundred eleven".