102002122111211 has 16 divisors (see below), whose sum is σ = 120596063236800. Its totient is φ = 84413854401408.

The previous prime is 102002122111157. The next prime is 102002122111217. The reversal of 102002122111211 is 112111221200201.

It is a de Polignac number, because none of the positive numbers 2^k-102002122111211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102002122111211.

It is not an unprimeable number, because it can be changed into a prime (102002122111217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5141345 + ... + 15180173.

It is an arithmetic number, because the mean of its divisors is an integer number (7537253952300).

Almost surely, 2^{102002122111211} is an apocalyptic number.

102002122111211 is a deficient number, since it is larger than the sum of its proper divisors (18593941125589).

102002122111211 is a wasteful number, since it uses less digits than its factorization.

102002122111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10088918.

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

Adding to 102002122111211 its reverse (112111221200201), we get a palindrome (214113343311412).

The spelling of 102002122111211 in words is "one hundred two trillion, two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred eleven".