102020000111011 has 4 divisors (see below), whose sum is σ = 102020427742752. Its totient is φ = 102019572479272.

The previous prime is 102020000110981. The next prime is 102020000111017. The reversal of 102020000111011 is 110111000020201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102020000111011 - 2⁹ = 102020000110499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020000111017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213457816 + ... + 213935221.

It is an arithmetic number, because the mean of its divisors is an integer number (25505106935688).

Almost surely, 2^{102020000111011} is an apocalyptic number.

102020000111011 is a deficient number, since it is larger than the sum of its proper divisors (427631741).

102020000111011 is an equidigital number, since it uses as much as digits as its factorization.

102020000111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427631740.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102020000111011 its reverse (110111000020201), we get a palindrome (212131000131212).

The spelling of 102020000111011 in words is "one hundred two trillion, twenty billion, one hundred eleven thousand, eleven".