2102102021202 has 16 divisors (see below), whose sum is σ = 4241409389280. Its totient is φ = 694499782592.

The previous prime is 2102102021153. The next prime is 2102102021233. The reversal of 2102102021202 is 2021202012012.

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, 1550222052 + ... + 1550223407.

It is an arithmetic number, because the mean of its divisors is an integer number (265088086830).

Almost surely, 2^{2102102021202} is an apocalyptic number.

2102102021202 is an abundant number, since it is smaller than the sum of its proper divisors (2139307368078).

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

2102102021202 is a wasteful number, since it uses less digits than its factorization.

2102102021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100445577.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2102102021202 its reverse (2021202012012), we get a palindrome (4123304033214).

The spelling of 2102102021202 in words is "two trillion, one hundred two billion, one hundred two million, twenty-one thousand, two hundred two".