10231121112112 has 40 divisors (see below), whose sum is σ = 20507505337440. Its totient is φ = 4938881687040.

The previous prime is 10231121112097. The next prime is 10231121112119. The reversal of 10231121112112 is 21121112113201.

It is a self number, because there is not a number n which added to its sum of digits gives 10231121112112.

It is not an unprimeable number, because it can be changed into a prime (10231121112119) 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, 7680213 + ... + 8913355.

It is an arithmetic number, because the mean of its divisors is an integer number (512687633436).

Almost surely, 2^{10231121112112} is an apocalyptic number.

It is an amenable number.

10231121112112 is an abundant number, since it is smaller than the sum of its proper divisors (10276384225328).

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

10231121112112 is a wasteful number, since it uses less digits than its factorization.

10231121112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251061 (or 1251055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 10231121112112 its reverse (21121112113201), we get a palindrome (31352233225313).

The spelling of 10231121112112 in words is "ten trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred twelve thousand, one hundred twelve".