1001012010201 has 48 divisors (see below), whose sum is σ = 1659209310720. Its totient is φ = 569674183680.

The previous prime is 1001012010151. The next prime is 1001012010241. The reversal of 1001012010201 is 1020102101001.

It is a happy number.

It is not a de Polignac number, because 1001012010201 - 2¹⁰ = 1001012009177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1001012010241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36507585 + ... + 36534993.

It is an arithmetic number, because the mean of its divisors is an integer number (34566860640).

Almost surely, 2^{1001012010201} is an apocalyptic number.

It is an amenable number.

1001012010201 is a deficient number, since it is larger than the sum of its proper divisors (658197300519).

1001012010201 is a wasteful number, since it uses less digits than its factorization.

1001012010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29766 (or 29763 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001012010201 its reverse (1020102101001), we get a palindrome (2021114111202).

The spelling of 1001012010201 in words is "one trillion, one billion, twelve million, ten thousand, two hundred one".