201202120210100 has 36 divisors (see below), whose sum is σ = 440931458312268. Its totient is φ = 79684008000000.

The previous prime is 201202120210099. The next prime is 201202120210129. The reversal of 201202120210100 is 1012021202102.

It can be written as a sum of positive squares in 6 ways, for example, as 34512640564516 + 166689479645584 = 5874746^2 + 12910828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9960490901 + ... + 9960511100.

Almost surely, 2^{201202120210100} is an apocalyptic number.

201202120210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202120210100 is an abundant number, since it is smaller than the sum of its proper divisors (239729338102168).

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

201202120210100 is a wasteful number, since it uses less digits than its factorization.

201202120210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19921002116 (or 19921002109 counting only the distinct ones).

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

Adding to 201202120210100 its reverse (1012021202102), we get a palindrome (202214141412202).

The spelling of 201202120210100 in words is "two hundred one trillion, two hundred two billion, one hundred twenty million, two hundred ten thousand, one hundred".