201112210022212 has 24 divisors (see below), whose sum is σ = 354311160840000. Its totient is φ = 99880460210016.

The previous prime is 201112210022189. The next prime is 201112210022257. The reversal of 201112210022212 is 212220012211102.

It is a super-2 number, since 2×201112210022212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201112210022212.

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, 80180289 + ... + 82650487.

It is an arithmetic number, because the mean of its divisors is an integer number (14762965035000).

Almost surely, 2^{201112210022212} is an apocalyptic number.

It is an amenable number.

201112210022212 is a deficient number, since it is larger than the sum of its proper divisors (153198950817788).

201112210022212 is a wasteful number, since it uses less digits than its factorization.

201112210022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606955 (or 2606953 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201112210022212 its reverse (212220012211102), we get a palindrome (413332222233314).

The spelling of 201112210022212 in words is "two hundred one trillion, one hundred twelve billion, two hundred ten million, twenty-two thousand, two hundred twelve".