1020113101 has 16 divisors (see below), whose sum is σ = 1257721344. Its totient is φ = 807416064.

The previous prime is 1020113099. The next prime is 1020113111. The reversal of 1020113101 is 1013110201.

It is not a de Polignac number, because 1020113101 - 2¹ = 1020113099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020113111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74565 + ... + 87178.

It is an arithmetic number, because the mean of its divisors is an integer number (78607584).

Almost surely, 2^1020113101 is an apocalyptic number.

It is an amenable number.

1020113101 is a deficient number, since it is larger than the sum of its proper divisors (237608243).

1020113101 is a wasteful number, since it uses less digits than its factorization.

1020113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161820.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1020113101 is about 31939.2094610997. The cubic root of 1020113101 is about 1006.6599140788.

Adding to 1020113101 its reverse (1013110201), we get a palindrome (2033223302).

The spelling of 1020113101 in words is "one billion, twenty million, one hundred thirteen thousand, one hundred one".