201101121212 has 24 divisors (see below), whose sum is σ = 357722593872. Its totient is φ = 98894908800.

The previous prime is 201101121187. The next prime is 201101121239. The reversal of 201101121212 is 212121101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4987043 + ... + 5027205.

It is an arithmetic number, because the mean of its divisors is an integer number (14905108078).

Almost surely, 2^201101121212 is an apocalyptic number.

It is an amenable number.

201101121212 is a deficient number, since it is larger than the sum of its proper divisors (156621472660).

201101121212 is a wasteful number, since it uses less digits than its factorization.

201101121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60749 (or 60747 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201101121212 its reverse (212121101102), we get a palindrome (413222222314).

The spelling of 201101121212 in words is "two hundred one billion, one hundred one million, one hundred twenty-one thousand, two hundred twelve".