101121222112 has 24 divisors (see below), whose sum is σ = 200092989096. Its totient is φ = 50303955072.

The previous prime is 101121222109. The next prime is 101121222113. The reversal of 101121222112 is 211222121101.

It is a super-2 number, since 2×101121222112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121222113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8014098 + ... + 8026705.

It is an arithmetic number, because the mean of its divisors is an integer number (8337207879).

Almost surely, 2^101121222112 is an apocalyptic number.

It is an amenable number.

101121222112 is a deficient number, since it is larger than the sum of its proper divisors (98971766984).

101121222112 is a wasteful number, since it uses less digits than its factorization.

101121222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16041010 (or 16041002 counting only the distinct ones).

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

Adding to 101121222112 its reverse (211222121101), we get a palindrome (312343343213).

The spelling of 101121222112 in words is "one hundred one billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred twelve".