102020202011 has 48 divisors (see below), whose sum is σ = 133688620800. Its totient is φ = 77020840512.

The previous prime is 102020202007. The next prime is 102020202013. The reversal of 102020202011 is 110202020201.

It is a happy number.

It is not a de Polignac number, because 102020202011 - 2² = 102020202007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102020201983 and 102020202001.

It is not an unprimeable number, because it can be changed into a prime (102020202013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6130460 + ... + 6147078.

It is an arithmetic number, because the mean of its divisors is an integer number (2785179600).

Almost surely, 2^102020202011 is an apocalyptic number.

102020202011 is a deficient number, since it is larger than the sum of its proper divisors (31668418789).

102020202011 is a wasteful number, since it uses less digits than its factorization.

102020202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088 (or 17081 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102020202011 its reverse (110202020201), we get a palindrome (212222222212).

The spelling of 102020202011 in words is "one hundred two billion, twenty million, two hundred two thousand, eleven".