2111013450 has 144 divisors (see below), whose sum is σ = 6980553216. Its totient is φ = 445392000.

The previous prime is 2111013361. The next prime is 2111013467. The reversal of 2111013450 is 543101112.

2111013450 is a `hidden beast` number, since 211 + 1 + 0 + 1 + 3 + 450 = 666.

2111013450 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 71 ways as a sum of consecutive naturals, for example, 15175 + ... + 66725.

It is an arithmetic number, because the mean of its divisors is an integer number (48476064).

Almost surely, 2^2111013450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111013450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3490276608).

2111013450 is an abundant number, since it is smaller than the sum of its proper divisors (4869539766).

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

2111013450 is a wasteful number, since it uses less digits than its factorization.

2111013450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51589 (or 51581 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2111013450 is about 45945.7663990927. The cubic root of 2111013450 is about 1282.8139285997.

Adding to 2111013450 its reverse (543101112), we get a palindrome (2654114562).

The spelling of 2111013450 in words is "two billion, one hundred eleven million, thirteen thousand, four hundred fifty".