201101212212 has 96 divisors (see below), whose sum is σ = 482612981760. Its totient is φ = 65144699520.

The previous prime is 201101212121. The next prime is 201101212217. The reversal of 201101212212 is 212212101102.

201101212212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201101212191 and 201101212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101212217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48584839 + ... + 48588977.

It is an arithmetic number, because the mean of its divisors is an integer number (5027218560).

Almost surely, 2^201101212212 is an apocalyptic number.

It is an amenable number.

201101212212 is an abundant number, since it is smaller than the sum of its proper divisors (281511769548).

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

201101212212 is a wasteful number, since it uses less digits than its factorization.

201101212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781 (or 4779 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201101212212 its reverse (212212101102), we get a palindrome (413313313314).

The spelling of 201101212212 in words is "two hundred one billion, one hundred one million, two hundred twelve thousand, two hundred twelve".