102102021211 has 8 divisors (see below), whose sum is σ = 102686606064. Its totient is φ = 101518848000.

The previous prime is 102102021167. The next prime is 102102021277. The reversal of 102102021211 is 112120201201.

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 102102021211 - 2⁷ = 102102021083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102102021191 and 102102021200.

It is not an unprimeable number, because it can be changed into a prime (102102121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207670 + ... + 497323.

It is an arithmetic number, because the mean of its divisors is an integer number (12835825758).

Almost surely, 2^102102021211 is an apocalyptic number.

102102021211 is a deficient number, since it is larger than the sum of its proper divisors (584584853).

102102021211 is an equidigital number, since it uses as much as digits as its factorization.

102102021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705821.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102102021211 its reverse (112120201201), we get a palindrome (214222222412).

The spelling of 102102021211 in words is "one hundred two billion, one hundred two million, twenty-one thousand, two hundred eleven".