2111010309 has 32 divisors (see below), whose sum is σ = 3388429440. Its totient is φ = 1293739776.

The previous prime is 2111010289. The next prime is 2111010359. The reversal of 2111010309 is 9030101112.

It is not a de Polignac number, because 2111010309 - 2⁸ = 2111010053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111010291 and 2111010300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111010359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33742 + ... + 73215.

It is an arithmetic number, because the mean of its divisors is an integer number (105888420).

Almost surely, 2^2111010309 is an apocalyptic number.

It is an amenable number.

2111010309 is a deficient number, since it is larger than the sum of its proper divisors (1277419131).

2111010309 is a wasteful number, since it uses less digits than its factorization.

2111010309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107026 (or 107020 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 2111010309 is about 45945.7322174759. The cubic root of 2111010309 is about 1282.8132923617.

The spelling of 2111010309 in words is "two billion, one hundred eleven million, ten thousand, three hundred nine".