2002010121001 has 8 divisors (see below), whose sum is σ = 2234801996064. Its totient is φ = 1777683405120.

The previous prime is 2002010120993. The next prime is 2002010121037. The reversal of 2002010121001 is 1001210102002.

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

It is a cyclic number.

It is not a de Polignac number, because 2002010121001 - 2³ = 2002010120993 is a prime.

It is a super-2 number, since 2×2002010121001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2002010121071) 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, 2116289296 + ... + 2116290241.

It is an arithmetic number, because the mean of its divisors is an integer number (279350249508).

Almost surely, 2^{2002010121001} is an apocalyptic number.

It is an amenable number.

2002010121001 is a deficient number, since it is larger than the sum of its proper divisors (232791875063).

2002010121001 is a wasteful number, since it uses less digits than its factorization.

2002010121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232579591.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2002010121001 its reverse (1001210102002), we get a palindrome (3003220223003).

The spelling of 2002010121001 in words is "two trillion, two billion, ten million, one hundred twenty-one thousand, one".