2002100101021 has 8 divisors (see below), whose sum is σ = 2058499836288. Its totient is φ = 1946060748000.

The previous prime is 2002100101007. The next prime is 2002100101033. The reversal of 2002100101021 is 1201010012002.

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 2002100101021 - 2⁷ = 2002100100893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002100100989 and 2002100101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002100101061) 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, 90084295 + ... + 90106516.

It is an arithmetic number, because the mean of its divisors is an integer number (257312479536).

Almost surely, 2^{2002100101021} is an apocalyptic number.

It is an amenable number.

2002100101021 is a deficient number, since it is larger than the sum of its proper divisors (56399735267).

2002100101021 is a wasteful number, since it uses less digits than its factorization.

2002100101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180191123.

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

Adding to 2002100101021 its reverse (1201010012002), we get a palindrome (3203110113023).

The spelling of 2002100101021 in words is "two trillion, two billion, one hundred million, one hundred one thousand, twenty-one".