2111339412 has 192 divisors, whose sum is σ = 7133898240. Its totient is φ = 524040192.

The previous prime is 2111339401. The next prime is 2111339449. The reversal of 2111339412 is 2149331112.

2111339412 is a `hidden beast` number, since 211 + 1 + 3 + 39 + 412 = 666.

It is a super-2 number, since 2×2111339412² = 8915508225329011488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 160758 + ... + 173394.

It is an arithmetic number, because the mean of its divisors is an integer number (37155720).

Almost surely, 2^2111339412 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 2111339412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566949120).

2111339412 is an abundant number, since it is smaller than the sum of its proper divisors (5022558828).

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

2111339412 is a wasteful number, since it uses less digits than its factorization.

2111339412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687 (or 12679 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2111339412 is about 45949.3135095618. The cubic root of 2111339412 is about 1282.8799517182.

The spelling of 2111339412 in words is "two billion, one hundred eleven million, three hundred thirty-nine thousand, four hundred twelve".