2123111124030 has 128 divisors (see below), whose sum is σ = 5546115888768. Its totient is φ = 517051072512.

The previous prime is 2123111123989. The next prime is 2123111124049. The reversal of 2123111124030 is 304211113212.

It is a super-4 number, since 4×2123111124030⁴ (a number of 50 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123111123988 and 2123111124006.

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, 14192182 + ... + 14340998.

It is an arithmetic number, because the mean of its divisors is an integer number (43329030381).

Almost surely, 2^{2123111124030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123111124030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2773057944384).

2123111124030 is an abundant number, since it is smaller than the sum of its proper divisors (3423004764738).

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

2123111124030 is a wasteful number, since it uses less digits than its factorization.

2123111124030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149230.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2123111124030 its reverse (304211113212), we get a palindrome (2427322237242).

The spelling of 2123111124030 in words is "two trillion, one hundred twenty-three billion, one hundred eleven million, one hundred twenty-four thousand, thirty".