102102212111211 has 48 divisors (see below), whose sum is σ = 165769261493472. Its totient is φ = 60143042419200.

The previous prime is 102102212111209. The next prime is 102102212111437. The reversal of 102102212111211 is 112111212201201.

It is a happy number.

102102212111211 is a `hidden beast` number, since 1 + 0 + 21 + 0 + 221 + 211 + 1 + 211 = 666.

It is not a de Polignac number, because 102102212111211 - 2¹ = 102102212111209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102102212161211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200543845 + ... + 201052326.

It is an arithmetic number, because the mean of its divisors is an integer number (3453526281114).

Almost surely, 2^{102102212111211} is an apocalyptic number.

102102212111211 is a deficient number, since it is larger than the sum of its proper divisors (63667049382261).

102102212111211 is a wasteful number, since it uses less digits than its factorization.

102102212111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401596284 (or 401596281 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 102102212111211 its reverse (112111212201201), we get a palindrome (214213424312412).

The spelling of 102102212111211 in words is "one hundred two trillion, one hundred two billion, two hundred twelve million, one hundred eleven thousand, two hundred eleven".