1101109994 has 4 divisors (see below), whose sum is σ = 1651664994. Its totient is φ = 550554996.

The previous prime is 1101109993. The next prime is 1101110011. The reversal of 1101109994 is 4999011011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4999011011 = 1021 ⋅4896191.

It can be written as a sum of positive squares in only one way, i.e., 756525025 + 344584969 = 27505^2 + 18563^2 .

It is not an unprimeable number, because it can be changed into a prime (1101109993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275277497 + ... + 275277500.

Almost surely, 2^1101109994 is an apocalyptic number.

1101109994 is a deficient number, since it is larger than the sum of its proper divisors (550555000).

1101109994 is an equidigital number, since it uses as much as digits as its factorization.

1101109994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550554999.

The product of its (nonzero) digits is 2916, while the sum is 35.

The square root of 1101109994 is about 33182.9774733974. The cubic root of 1101109994 is about 1032.6272183469.

The spelling of 1101109994 in words is "one billion, one hundred one million, one hundred nine thousand, nine hundred ninety-four".