2201101212212 has 48 divisors (see below), whose sum is σ = 4505366638080. Its totient is φ = 921230144352.

The previous prime is 2201101212139. The next prime is 2201101212221. The reversal of 2201101212212 is 2122121011022.

It is a super-2 number, since 2×2201101212212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6858839 + ... + 7172577.

It is an arithmetic number, because the mean of its divisors is an integer number (93861804960).

Almost surely, 2^{2201101212212} is an apocalyptic number.

It is an amenable number.

2201101212212 is an abundant number, since it is smaller than the sum of its proper divisors (2304265425868).

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

2201101212212 is a wasteful number, since it uses less digits than its factorization.

2201101212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319620 (or 319618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2201101212212 its reverse (2122121011022), we get a palindrome (4323222223234).

The spelling of 2201101212212 in words is "two trillion, two hundred one billion, one hundred one million, two hundred twelve thousand, two hundred twelve".