201011102122212 has 48 divisors (see below), whose sum is σ = 521294950344000. Its totient is φ = 66983764942080.

The previous prime is 201011102122189. The next prime is 201011102122213. The reversal of 201011102122212 is 212221201110102.

201011102122212 is a `hidden beast` number, since 20 + 101 + 110 + 212 + 221 + 2 = 666.

It is a super-2 number, since 2×201011102122212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201011102122213) 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, 276520962 + ... + 277246937.

It is an arithmetic number, because the mean of its divisors is an integer number (10860311465500).

Almost surely, 2^{201011102122212} is an apocalyptic number.

It is an amenable number.

201011102122212 is an abundant number, since it is smaller than the sum of its proper divisors (320283848221788).

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

201011102122212 is a wasteful number, since it uses less digits than its factorization.

201011102122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553771273 (or 553771265 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201011102122212 its reverse (212221201110102), we get a palindrome (413232303232314).

The spelling of 201011102122212 in words is "two hundred one trillion, eleven billion, one hundred two million, one hundred twenty-two thousand, two hundred twelve".