2002121020002 has 16 divisors (see below), whose sum is σ = 4239785689632. Its totient is φ = 628116398400.

The previous prime is 2002121019991. The next prime is 2002121020021. The reversal of 2002121020002 is 2000201212002.

It is a self number, because there is not a number n which added to its sum of digits gives 2002121020002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9814318624 + ... + 9814318827.

It is an arithmetic number, because the mean of its divisors is an integer number (264986605602).

Almost surely, 2^{2002121020002} is an apocalyptic number.

2002121020002 is an abundant number, since it is smaller than the sum of its proper divisors (2237664669630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002121020002 is a wasteful number, since it uses less digits than its factorization.

2002121020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19628637473.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2002121020002 its reverse (2000201212002), we get a palindrome (4002322232004).

The spelling of 2002121020002 in words is "two trillion, two billion, one hundred twenty-one million, twenty thousand, two".