1002110121001 has 8 divisors (see below), whose sum is σ = 1093331402208. Its totient is φ = 910908900000.

The previous prime is 1002110120989. The next prime is 1002110121013. The reversal of 1002110121001 is 1001210112001.

1002110121001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1002110120989) and next prime (1002110121013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002110121001 - 2³⁵ = 967750382633 is a prime.

It is a super-2 number, since 2×1002110121001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002110121301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4910500 + ... + 5110501.

It is an arithmetic number, because the mean of its divisors is an integer number (136666425276).

Almost surely, 2^{1002110121001} is an apocalyptic number.

1002110121001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002110121001 is a deficient number, since it is larger than the sum of its proper divisors (91221281207).

1002110121001 is a wasteful number, since it uses less digits than its factorization.

1002110121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030103.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1002110121001 its reverse (1001210112001), we get a palindrome (2003320233002).

The spelling of 1002110121001 in words is "one trillion, two billion, one hundred ten million, one hundred twenty-one thousand, one".