101222121112 has 16 divisors (see below), whose sum is σ = 216904545360. Its totient is φ = 43380909024.

The previous prime is 101222121053. The next prime is 101222121137. The reversal of 101222121112 is 211121222101.

It is a super-3 number, since 3×101222121112³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903768883 + ... + 903768994.

It is an arithmetic number, because the mean of its divisors is an integer number (13556534085).

Almost surely, 2^101222121112 is an apocalyptic number.

It is an amenable number.

101222121112 is an abundant number, since it is smaller than the sum of its proper divisors (115682424248).

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

101222121112 is a wasteful number, since it uses less digits than its factorization.

101222121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807537890 (or 1807537886 counting only the distinct ones).

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

Adding to 101222121112 its reverse (211121222101), we get a palindrome (312343343213).

The spelling of 101222121112 in words is "one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".