201102100212 has 48 divisors (see below), whose sum is σ = 506299908800. Its totient is φ = 61759231488.

The previous prime is 201102100181. The next prime is 201102100217. The reversal of 201102100212 is 212001201102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102100217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150837 + ... + 1314012.

Almost surely, 2^201102100212 is an apocalyptic number.

It is an amenable number.

201102100212 is an abundant number, since it is smaller than the sum of its proper divisors (305197808588).

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

201102100212 is a wasteful number, since it uses less digits than its factorization.

201102100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465392 (or 2465390 counting only the distinct ones).

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

Adding to 201102100212 its reverse (212001201102), we get a palindrome (413103301314).

The spelling of 201102100212 in words is "two hundred one billion, one hundred two million, one hundred thousand, two hundred twelve".