1013202101 has 2 divisors, whose sum is σ = 1013202102. Its totient is φ = 1013202100.

The previous prime is 1013202079. The next prime is 1013202107. The reversal of 1013202101 is 1012023101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 661827076 + 351375025 = 25726^2 + 18745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013202101 - 2¹⁴ = 1013185717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013202107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506601050 + 506601051.

It is an arithmetic number, because the mean of its divisors is an integer number (506601051).

Almost surely, 2^1013202101 is an apocalyptic number.

It is an amenable number.

1013202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013202101 is an equidigital number, since it uses as much as digits as its factorization.

1013202101 is an evil number, because the sum of its binary digits is even.

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

The square root of 1013202101 is about 31830.8356943389. The cubic root of 1013202101 is about 1004.3814749729.

Adding to 1013202101 its reverse (1012023101), we get a palindrome (2025225202).

The spelling of 1013202101 in words is "one billion, thirteen million, two hundred two thousand, one hundred one".