2111223405 has 8 divisors (see below), whose sum is σ = 3377957472. Its totient is φ = 1125985808.

The previous prime is 2111223397. The next prime is 2111223449. The reversal of 2111223405 is 5043221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2111223405 - 2³ = 2111223397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70374099 + ... + 70374128.

It is an arithmetic number, because the mean of its divisors is an integer number (422244684).

Almost surely, 2^2111223405 is an apocalyptic number.

It is an amenable number.

2111223405 is a deficient number, since it is larger than the sum of its proper divisors (1266734067).

2111223405 is a wasteful number, since it uses less digits than its factorization.

2111223405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140748235.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2111223405 is about 45948.0511556257. The cubic root of 2111223405 is about 1282.8564554517.

Adding to 2111223405 its reverse (5043221112), we get a palindrome (7154444517).

The spelling of 2111223405 in words is "two billion, one hundred eleven million, two hundred twenty-three thousand, four hundred five".