201012211100 has 36 divisors (see below), whose sum is σ = 436216418904. Its totient is φ = 80401212480.

The previous prime is 201012211091. The next prime is 201012211123. The reversal of 201012211100 is 1112210102.

It is a super-3 number, since 3×201012211100³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 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, 3578834 + ... + 3634566.

Almost surely, 2^201012211100 is an apocalyptic number.

201012211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012211100 is an abundant number, since it is smaller than the sum of its proper divisors (235204207804).

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

201012211100 is a wasteful number, since it uses less digits than its factorization.

201012211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91814 (or 91807 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201012211100 its reverse (1112210102), we get a palindrome (202124421202).

The spelling of 201012211100 in words is "two hundred one billion, twelve million, two hundred eleven thousand, one hundred".