101112122212 has 24 divisors (see below), whose sum is σ = 177787322496. Its totient is φ = 50316247488.

The previous prime is 101112122207. The next prime is 101112122213. The reversal of 101112122212 is 212221211101.

It is a super-2 number, since 2×101112122212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101112122213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747633 + ... + 872455.

It is an arithmetic number, because the mean of its divisors is an integer number (7407805104).

Almost surely, 2^101112122212 is an apocalyptic number.

It is an amenable number.

101112122212 is a deficient number, since it is larger than the sum of its proper divisors (76675200284).

101112122212 is a wasteful number, since it uses less digits than its factorization.

101112122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125787 (or 125785 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101112122212 its reverse (212221211101), we get a palindrome (313333333313).

The spelling of 101112122212 in words is "one hundred one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twelve".