1000201002194 has 4 divisors (see below), whose sum is σ = 1500301503294. Its totient is φ = 500100501096.

The previous prime is 1000201002187. The next prime is 1000201002197. The reversal of 1000201002194 is 4912001020001.

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., 863180355625 + 137020646569 = 929075^2 + 370163^2 .

It is not an unprimeable number, because it can be changed into a prime (1000201002197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250050250547 + ... + 250050250550.

Almost surely, 2^{1000201002194} is an apocalyptic number.

1000201002194 is a deficient number, since it is larger than the sum of its proper divisors (500100501100).

1000201002194 is an equidigital number, since it uses as much as digits as its factorization.

1000201002194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500100501099.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1000201002194 its reverse (4912001020001), we get a palindrome (5912202022195).

The spelling of 1000201002194 in words is "one trillion, two hundred one million, two thousand, one hundred ninety-four".