2101021102002 has 16 divisors (see below), whose sum is σ = 4304531038752. Its totient is φ = 683258894880.

The previous prime is 2101021101929. The next prime is 2101021102009. The reversal of 2101021102002 is 2002011201012.

It is not an unprimeable number, because it can be changed into a prime (2101021102009) 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, 4270367848 + ... + 4270368339.

It is an arithmetic number, because the mean of its divisors is an integer number (269033189922).

Almost surely, 2^{2101021102002} is an apocalyptic number.

2101021102002 is an abundant number, since it is smaller than the sum of its proper divisors (2203509936750).

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

2101021102002 is a wasteful number, since it uses less digits than its factorization.

2101021102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540736233.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2101021102002 its reverse (2002011201012), we get a palindrome (4103032303014).

The spelling of 2101021102002 in words is "two trillion, one hundred one billion, twenty-one million, one hundred two thousand, two".