1002010101 has 8 divisors (see below), whose sum is σ = 1337922144. Its totient is φ = 667052400.

The previous prime is 1002010099. The next prime is 1002010109. The reversal of 1002010101 is 1010102001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002010101 - 2¹ = 1002010099 is a prime.

1002010101 is a modest number, since divided by 10101 gives 1002 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1002010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002010109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236131 + ... + 240336.

It is an arithmetic number, because the mean of its divisors is an integer number (167240268).

Almost surely, 2^1002010101 is an apocalyptic number.

It is an amenable number.

1002010101 is a deficient number, since it is larger than the sum of its proper divisors (335912043).

1002010101 is an equidigital number, since it uses as much as digits as its factorization.

1002010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477171.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1002010101 is about 31654.5431336483. The cubic root of 1002010101 is about 1000.6695852222.

Adding to 1002010101 its reverse (1010102001), we get a palindrome (2012112102).

The spelling of 1002010101 in words is "one billion, two million, ten thousand, one hundred one".