1001210000001 has 16 divisors (see below), whose sum is σ = 1360169841600. Its totient is φ = 654862403520.

The previous prime is 1001209999961. The next prime is 1001210000023. The reversal of 1001210000001 is 1000000121001.

It is not a de Polignac number, because 1001210000001 - 2¹⁰ = 1001209998977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001210000051) 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, 9617175 + ... + 9720723.

It is an arithmetic number, because the mean of its divisors is an integer number (85010615100).

Almost surely, 2^{1001210000001} is an apocalyptic number.

It is an amenable number.

1001210000001 is a deficient number, since it is larger than the sum of its proper divisors (358959841599).

1001210000001 is a wasteful number, since it uses less digits than its factorization.

1001210000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164416.

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

Adding to 1001210000001 its reverse (1000000121001), we get a palindrome (2001210121002).

The spelling of 1001210000001 in words is "one trillion, one billion, two hundred ten million, one", and thus it is an aban number.