102020320320111 has 24 divisors (see below), whose sum is σ = 147772367570880. Its totient is φ = 67824483019776.

The previous prime is 102020320320053. The next prime is 102020320320119. The reversal of 102020320320111 is 111023023020201.

102020320320111 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 20 + 320 + 320 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 102020320320111 - 2¹⁰ = 102020320319087 is a prime.

It is a super-2 number, since 2×102020320320111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020320320119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59698111 + ... + 61383263.

It is an arithmetic number, because the mean of its divisors is an integer number (6157181982120).

Almost surely, 2^{102020320320111} is an apocalyptic number.

102020320320111 is a deficient number, since it is larger than the sum of its proper divisors (45752047250769).

102020320320111 is a wasteful number, since it uses less digits than its factorization.

102020320320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703855 (or 1703852 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102020320320111 its reverse (111023023020201), we get a palindrome (213043343340312).

The spelling of 102020320320111 in words is "one hundred two trillion, twenty billion, three hundred twenty million, three hundred twenty thousand, one hundred eleven".