1001210010101 has 24 divisors (see below), whose sum is σ = 1170260743680. Its totient is φ = 854065048032.

The previous prime is 1001210010079. The next prime is 1001210010113. The reversal of 1001210010101 is 1010100121001.

It is a happy number.

It is not a de Polignac number, because 1001210010101 - 2¹⁸ = 1001209747957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001210019101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40166120 + ... + 40191038.

It is an arithmetic number, because the mean of its divisors is an integer number (48760864320).

Almost surely, 2^{1001210010101} is an apocalyptic number.

It is an amenable number.

1001210010101 is a deficient number, since it is larger than the sum of its proper divisors (169050733579).

1001210010101 is a wasteful number, since it uses less digits than its factorization.

1001210010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28833 (or 28826 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001210010101 its reverse (1010100121001), we get a palindrome (2011310131102).

The spelling of 1001210010101 in words is "one trillion, one billion, two hundred ten million, ten thousand, one hundred one".