102102221022011 has 16 divisors (see below), whose sum is σ = 121765554643968. Its totient is φ = 83708456647200.

The previous prime is 102102221021989. The next prime is 102102221022017. The reversal of 102102221022011 is 110220122201201.

It is a de Polignac number, because none of the positive numbers 2^k-102102221022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102102221022017) 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, 5105360 + ... + 15174621.

It is an arithmetic number, because the mean of its divisors is an integer number (7610347165248).

Almost surely, 2^{102102221022011} is an apocalyptic number.

102102221022011 is a deficient number, since it is larger than the sum of its proper divisors (19663333621957).

102102221022011 is a wasteful number, since it uses less digits than its factorization.

102102221022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20311282.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102102221022011 its reverse (110220122201201), we get a palindrome (212322343223212).

The spelling of 102102221022011 in words is "one hundred two trillion, one hundred two billion, two hundred twenty-one million, twenty-two thousand, eleven".