2002021000101 has 24 divisors (see below), whose sum is σ = 2899550472000. Its totient is φ = 1331109122112.

The previous prime is 2002021000097. The next prime is 2002021000163. The reversal of 2002021000101 is 1010001202002.

It is not a de Polignac number, because 2002021000101 - 2² = 2002021000097 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002021000181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13232640 + ... + 13383078.

It is an arithmetic number, because the mean of its divisors is an integer number (120814603000).

Almost surely, 2^{2002021000101} is an apocalyptic number.

It is an amenable number.

2002021000101 is a deficient number, since it is larger than the sum of its proper divisors (897529471899).

2002021000101 is a wasteful number, since it uses less digits than its factorization.

2002021000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154393 (or 154390 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2002021000101 its reverse (1010001202002), we get a palindrome (3012022202103).

The spelling of 2002021000101 in words is "two trillion, two billion, twenty-one million, one hundred one", and thus it is an aban number.