1020000011194 has 4 divisors (see below), whose sum is σ = 1530000016794. Its totient is φ = 510000005596.

The previous prime is 1020000011183. The next prime is 1020000011221. The reversal of 1020000011194 is 4911100000201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 739147709169 + 280852302025 = 859737^2 + 529955^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255000002797 + ... + 255000002800.

Almost surely, 2^{1020000011194} is an apocalyptic number.

1020000011194 is a deficient number, since it is larger than the sum of its proper divisors (510000005600).

1020000011194 is an equidigital number, since it uses as much as digits as its factorization.

1020000011194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510000005599.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1020000011194 its reverse (4911100000201), we get a palindrome (5931100011395).

The spelling of 1020000011194 in words is "one trillion, twenty billion, eleven thousand, one hundred ninety-four".