2102201010102 has 32 divisors (see below), whose sum is σ = 4293957007872. Its totient is φ = 685808530784.

The previous prime is 2102201010089. The next prime is 2102201010121. The reversal of 2102201010102 is 2010101022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22955068 + ... + 23046464.

It is an arithmetic number, because the mean of its divisors is an integer number (134186156496).

Almost surely, 2^{2102201010102} is an apocalyptic number.

2102201010102 is an abundant number, since it is smaller than the sum of its proper divisors (2191755997770).

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

2102201010102 is a wasteful number, since it uses less digits than its factorization.

2102201010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173012.

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

Adding to 2102201010102 its reverse (2010101022012), we get a palindrome (4112302032114).

The spelling of 2102201010102 in words is "two trillion, one hundred two billion, two hundred one million, ten thousand, one hundred two".