101212212221168 has 20 divisors (see below), whose sum is σ = 196098822813288. Its totient is φ = 50606064398400.

The previous prime is 101212212221167. The next prime is 101212212221231. The reversal of 101212212221168 is 861122212212101.

It is a happy number.

101212212221168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×101212212221168² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212212221167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29087855 + ... + 32380977.

Almost surely, 2^{101212212221168} is an apocalyptic number.

It is an amenable number.

101212212221168 is a deficient number, since it is larger than the sum of its proper divisors (94886610592120).

101212212221168 is a wasteful number, since it uses less digits than its factorization.

101212212221168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214032 (or 5214026 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

Adding to 101212212221168 its reverse (861122212212101), we get a palindrome (962334424433269).

The spelling of 101212212221168 in words is "one hundred one trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-one thousand, one hundred sixty-eight".