2111990210 has 32 divisors (see below), whose sum is σ = 4149116352. Its totient is φ = 767638080.

The previous prime is 2111990197. The next prime is 2111990233. The reversal of 2111990210 is 120991112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111990210.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 387464 + ... + 392876.

It is an arithmetic number, because the mean of its divisors is an integer number (129659886).

Almost surely, 2^2111990210 is an apocalyptic number.

2111990210 is a deficient number, since it is larger than the sum of its proper divisors (2037126142).

2111990210 is a wasteful number, since it uses less digits than its factorization.

2111990210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 2111990210 is about 45956.3946584151. The cubic root of 2111990210 is about 1283.0117495609.

The spelling of 2111990210 in words is "two billion, one hundred eleven million, nine hundred ninety thousand, two hundred ten".