2111421110 has 16 divisors (see below), whose sum is σ = 3821558832. Its totient is φ = 839901600.

The previous prime is 2111421083. The next prime is 2111421127. The reversal of 2111421110 is 111241112.

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, 581456 + ... + 585075.

It is an arithmetic number, because the mean of its divisors is an integer number (238847427).

Almost surely, 2^2111421110 is an apocalyptic number.

2111421110 is a deficient number, since it is larger than the sum of its proper divisors (1710137722).

2111421110 is a wasteful number, since it uses less digits than its factorization.

2111421110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166719.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 2111421110 is about 45950.2025022741. The cubic root of 2111421110 is about 1282.8964984616.

Adding to 2111421110 its reverse (111241112), we get a palindrome (2222662222).

It can be divided in two parts, 21114 and 21110, that added together give a palindrome (42224).

The spelling of 2111421110 in words is "two billion, one hundred eleven million, four hundred twenty-one thousand, one hundred ten".