2103251123000 has 256 divisors, whose sum is σ = 5171112161280. Its totient is φ = 799180800000.

The previous prime is 2103251122993. The next prime is 2103251123033. The reversal of 2103251123000 is 3211523012.

It is a super-2 number, since 2×2103251123000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3281202680 + ... + 3281203320.

It is an arithmetic number, because the mean of its divisors is an integer number (20199656880).

Almost surely, 2^{2103251123000} is an apocalyptic number.

2103251123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103251123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585556080640).

2103251123000 is an abundant number, since it is smaller than the sum of its proper divisors (3067861038280).

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

2103251123000 is a wasteful number, since it uses less digits than its factorization.

2103251123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 2103251123000 its reverse (3211523012), we get a palindrome (2106462646012).

The spelling of 2103251123000 in words is "two trillion, one hundred three billion, two hundred fifty-one million, one hundred twenty-three thousand".