1231002110001 has 16 divisors (see below), whose sum is σ = 1642158163008. Its totient is φ = 820257177600.

The previous prime is 1231002109993. The next prime is 1231002110027. The reversal of 1231002110001 is 1000112001321.

It is not a de Polignac number, because 1231002110001 - 2³ = 1231002109993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231002110081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68681521 + ... + 68699441.

It is an arithmetic number, because the mean of its divisors is an integer number (102634885188).

Almost surely, 2^{1231002110001} is an apocalyptic number.

It is an amenable number.

1231002110001 is a deficient number, since it is larger than the sum of its proper divisors (411156053007).

1231002110001 is a wasteful number, since it uses less digits than its factorization.

1231002110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28112.

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

Adding to 1231002110001 its reverse (1000112001321), we get a palindrome (2231114111322).

The spelling of 1231002110001 in words is "one trillion, two hundred thirty-one billion, two million, one hundred ten thousand, one".