102102011022021 has 16 divisors (see below), whose sum is σ = 137668489289280. Its totient is φ = 67301801790080.

The previous prime is 102102011022017. The next prime is 102102011022041. The reversal of 102102011022021 is 120220110201201.

It is a cyclic number.

It is not a de Polignac number, because 102102011022021 - 2² = 102102011022017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102011022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9004051 + ... + 16890143.

It is an arithmetic number, because the mean of its divisors is an integer number (8604280580580).

Almost surely, 2^{102102011022021} is an apocalyptic number.

It is an amenable number.

102102011022021 is a deficient number, since it is larger than the sum of its proper divisors (35566478267259).

102102011022021 is an equidigital number, since it uses as much as digits as its factorization.

102102011022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934676.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102102011022021 its reverse (120220110201201), we get a palindrome (222322121223222).

The spelling of 102102011022021 in words is "one hundred two trillion, one hundred two billion, eleven million, twenty-two thousand, twenty-one".