10203111144 has 96 divisors (see below), whose sum is σ = 29029104000. Its totient is φ = 3231254400.

The previous prime is 10203111109. The next prime is 10203111179. The reversal of 10203111144 is 44111130201.

It is an interprime number because it is at equal distance from previous prime (10203111109) and next prime (10203111179).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226069 + ... + 267419.

It is an arithmetic number, because the mean of its divisors is an integer number (302386500).

Almost surely, 2^10203111144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10203111144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14514552000).

10203111144 is an abundant number, since it is smaller than the sum of its proper divisors (18825992856).

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

10203111144 is a wasteful number, since it uses less digits than its factorization.

10203111144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41535 (or 41528 counting only the distinct ones).

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

Adding to 10203111144 its reverse (44111130201), we get a palindrome (54314241345).

The spelling of 10203111144 in words is "ten billion, two hundred three million, one hundred eleven thousand, one hundred forty-four".