2111822890 has 32 divisors (see below), whose sum is σ = 3849048000. Its totient is φ = 834153984.

The previous prime is 2111822873. The next prime is 2111822899. The reversal of 2111822890 is 982281112.

It is not an unprimeable number, because it can be changed into a prime (2111822899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481849 + ... + 486211.

It is an arithmetic number, because the mean of its divisors is an integer number (120282750).

Almost surely, 2^2111822890 is an apocalyptic number.

2111822890 is a deficient number, since it is larger than the sum of its proper divisors (1737225110).

2111822890 is a wasteful number, since it uses less digits than its factorization.

2111822890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 2111822890 is about 45954.5742010521. The cubic root of 2111822890 is about 1282.9778669550.

The spelling of 2111822890 in words is "two billion, one hundred eleven million, eight hundred twenty-two thousand, eight hundred ninety".