10111422312 has 48 divisors (see below), whose sum is σ = 27394700580. Its totient is φ = 3369292800.

The previous prime is 10111422289. The next prime is 10111422319. The reversal of 10111422312 is 21322411101.

It can be written as a sum of positive squares in 2 ways, for example, as 7971989796 + 2139432516 = 89286^2 + 46254^2 .

It is a super-2 number, since 2×10111422312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10111422319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195862 + ... + 242042.

Almost surely, 2^10111422312 is an apocalyptic number.

10111422312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111422312 is an abundant number, since it is smaller than the sum of its proper divisors (17283278268).

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

10111422312 is a wasteful number, since it uses less digits than its factorization.

10111422312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49234 (or 49227 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10111422312 its reverse (21322411101), we get a palindrome (31433833413).

The spelling of 10111422312 in words is "ten billion, one hundred eleven million, four hundred twenty-two thousand, three hundred twelve".