1010010101 has 16 divisors (see below), whose sum is σ = 1072693248. Its totient is φ = 949460400.

The previous prime is 1010010091. The next prime is 1010010143. The reversal of 1010010101 is 1010100101.

It is a cyclic number.

It is not a de Polignac number, because 1010010101 - 2²⁶ = 942901237 is a prime.

1010010101 is a modest number, since divided by 10101 gives 1010 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010010161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252620 + ... + 256586.

It is an arithmetic number, because the mean of its divisors is an integer number (67043328).

Almost surely, 2^1010010101 is an apocalyptic number.

It is an amenable number.

1010010101 is a deficient number, since it is larger than the sum of its proper divisors (62683147).

1010010101 is a wasteful number, since it uses less digits than its factorization.

1010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232.

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 1010010101 is about 31780.6560819628. The cubic root of 1010010101 is about 1003.3256282697.

Adding to 1010010101 its reverse (1010100101), we get a palindrome (2020110202).

Subtracting 1010010101 from its reverse (1010100101), we obtain a square (90000 = 300²).

The spelling of 1010010101 in words is "one billion, ten million, ten thousand, one hundred one".