101112210221212 has 24 divisors (see below), whose sum is σ = 187377919281504. Its totient is φ = 47576390157312.

The previous prime is 101112210221167. The next prime is 101112210221273. The reversal of 101112210221212 is 212122012211101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101112210221212.

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, 90478333 + ... + 91589044.

It is an arithmetic number, because the mean of its divisors is an integer number (7807413303396).

Almost surely, 2^{101112210221212} is an apocalyptic number.

It is an amenable number.

101112210221212 is a deficient number, since it is larger than the sum of its proper divisors (86265709060292).

101112210221212 is a wasteful number, since it uses less digits than its factorization.

101112210221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182075565 (or 182075563 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101112210221212 its reverse (212122012211101), we get a palindrome (313234222432313).

The spelling of 101112210221212 in words is "one hundred one trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, two hundred twelve".