1002010211001 has 12 divisors (see below), whose sum is σ = 1448725211440. Its totient is φ = 667371209400.

The previous prime is 1002010210991. The next prime is 1002010211017. The reversal of 1002010211001 is 1001120102001.

It is a happy number.

It is not a de Polignac number, because 1002010211001 - 2³⁸ = 727132304057 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002010211201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52956511 + ... + 52975428.

Almost surely, 2^{1002010211001} is an apocalyptic number.

It is an amenable number.

1002010211001 is a deficient number, since it is larger than the sum of its proper divisors (446715000439).

1002010211001 is a wasteful number, since it uses less digits than its factorization.

1002010211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105932996 (or 105932993 counting only the distinct ones).

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

Adding to 1002010211001 its reverse (1001120102001), we get a palindrome (2003130313002).

The spelling of 1002010211001 in words is "one trillion, two billion, ten million, two hundred eleven thousand, one".