1020201113 has 2 divisors, whose sum is σ = 1020201114. Its totient is φ = 1020201112.

The previous prime is 1020201109. The next prime is 1020201137. The reversal of 1020201113 is 3111020201.

1020201113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 790284544 + 229916569 = 28112^2 + 15163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020201113 - 2² = 1020201109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020201094 and 1020201103.

It is not a weakly prime, because it can be changed into another prime (1020201913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510100556 + 510100557.

It is an arithmetic number, because the mean of its divisors is an integer number (510100557).

Almost surely, 2^1020201113 is an apocalyptic number.

It is an amenable number.

1020201113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020201113 is an equidigital number, since it uses as much as digits as its factorization.

1020201113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1020201113 is about 31940.5872363048. The cubic root of 1020201113 is about 1006.6888636807.

Adding to 1020201113 its reverse (3111020201), we get a palindrome (4131221314).

The spelling of 1020201113 in words is "one billion, twenty million, two hundred one thousand, one hundred thirteen".