201202012102100 has 18 divisors (see below), whose sum is σ = 436608366261774. Its totient is φ = 80480804840800.

The previous prime is 201202012102093. The next prime is 201202012102121. The reversal of 201202012102100 is 1201210202102.

It can be written as a sum of positive squares in 3 ways, for example, as 1234257424 + 201200777844676 = 35132^2 + 14184526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1006010060411 + ... + 1006010060610.

Almost surely, 2^{201202012102100} is an apocalyptic number.

201202012102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202012102100 is an abundant number, since it is smaller than the sum of its proper divisors (235406354159674).

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

201202012102100 is a wasteful number, since it uses less digits than its factorization.

201202012102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012020121035 (or 2012020121028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201202012102100 its reverse (1201210202102), we get a palindrome (202403222304202).

The spelling of 201202012102100 in words is "two hundred one trillion, two hundred two billion, twelve million, one hundred two thousand, one hundred".