10122011112 has 16 divisors (see below), whose sum is σ = 25305027840. Its totient is φ = 3374003696.

The previous prime is 10122011111. The next prime is 10122011183. The reversal of 10122011112 is 21111022101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10122011111) 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, 210875208 + ... + 210875255.

It is an arithmetic number, because the mean of its divisors is an integer number (1581564240).

Almost surely, 2^10122011112 is an apocalyptic number.

10122011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10122011112 is an abundant number, since it is smaller than the sum of its proper divisors (15183016728).

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

10122011112 is a wasteful number, since it uses less digits than its factorization.

10122011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421750472 (or 421750468 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10122011112 its reverse (21111022101), we get a palindrome (31233033213).

The spelling of 10122011112 in words is "ten billion, one hundred twenty-two million, eleven thousand, one hundred twelve".