1211110983 has 6 divisors (see below), whose sum is σ = 1749382544. Its totient is φ = 807407316.

The previous prime is 1211110949. The next prime is 1211110987. The reversal of 1211110983 is 3890111121.

It is not a de Polignac number, because 1211110983 - 2⁶ = 1211110919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211110987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67283935 + ... + 67283952.

Almost surely, 2^1211110983 is an apocalyptic number.

1211110983 is a deficient number, since it is larger than the sum of its proper divisors (538271561).

1211110983 is a wasteful number, since it uses less digits than its factorization.

1211110983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134567893 (or 134567890 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 1211110983 is about 34801.0198557456. The cubic root of 1211110983 is about 1065.9282708783.

The spelling of 1211110983 in words is "one billion, two hundred eleven million, one hundred ten thousand, nine hundred eighty-three".