1211881114 has 8 divisors (see below), whose sum is σ = 1818109728. Its totient is φ = 605844540.

The previous prime is 1211881081. The next prime is 1211881127. The reversal of 1211881114 is 4111881121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31032 + ... + 58195.

It is an arithmetic number, because the mean of its divisors is an integer number (227263716).

Almost surely, 2^1211881114 is an apocalyptic number.

1211881114 is a deficient number, since it is larger than the sum of its proper divisors (606228614).

1211881114 is an equidigital number, since it uses as much as digits as its factorization.

1211881114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96020.

The product of its digits is 512, while the sum is 28.

The square root of 1211881114 is about 34812.0828736231. The cubic root of 1211881114 is about 1066.1541600211.

The spelling of 1211881114 in words is "one billion, two hundred eleven million, eight hundred eighty-one thousand, one hundred fourteen".