2111002124 has 72 divisors (see below), whose sum is σ = 4698081360. Its totient is φ = 820713600.

The previous prime is 2111002099. The next prime is 2111002129. The reversal of 2111002124 is 4212001112.

It is a happy number.

It is a super-2 number, since 2×2111002124² = 8912659935065022752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2111002099 and 2111002108.

It is not an unprimeable number, because it can be changed into a prime (2111002129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1527914 + ... + 1529294.

It is an arithmetic number, because the mean of its divisors is an integer number (65251130).

Almost surely, 2^2111002124 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 2111002124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2349040680).

2111002124 is an abundant number, since it is smaller than the sum of its proper divisors (2587079236).

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

2111002124 is a wasteful number, since it uses less digits than its factorization.

2111002124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2111002124 is about 45945.6431449164. The cubic root of 2111002124 is about 1282.8116344130.

Adding to 2111002124 its reverse (4212001112), we get a palindrome (6323003236).

The spelling of 2111002124 in words is "two billion, one hundred eleven million, two thousand, one hundred twenty-four".