10123111120 has 40 divisors (see below), whose sum is σ = 23630050080. Its totient is φ = 4033104000.

The previous prime is 10123111087. The next prime is 10123111133. The reversal of 10123111120 is 2111132101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 10123111120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231990 + ... + 272149.

It is an arithmetic number, because the mean of its divisors is an integer number (590751252).

Almost surely, 2^10123111120 is an apocalyptic number.

10123111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123111120 is an abundant number, since it is smaller than the sum of its proper divisors (13506938960).

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

10123111120 is a wasteful number, since it uses less digits than its factorization.

10123111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504403 (or 504397 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10123111120 its reverse (2111132101), we get a palindrome (12234243221).

The spelling of 10123111120 in words is "ten billion, one hundred twenty-three million, one hundred eleven thousand, one hundred twenty".