201202110021194 has 4 divisors (see below), whose sum is σ = 301803165031794. Its totient is φ = 100601055010596.

The previous prime is 201202110021113. The next prime is 201202110021251. The reversal of 201202110021194 is 491120011202102.

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., 165464872789225 + 35737237231969 = 12863315^2 + 5978063^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50300527505297 + ... + 50300527505300.

Almost surely, 2^{201202110021194} is an apocalyptic number.

201202110021194 is a deficient number, since it is larger than the sum of its proper divisors (100601055010600).

201202110021194 is a wasteful number, since it uses less digits than its factorization.

201202110021194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100601055010599.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 201202110021194 its reverse (491120011202102), we get a palindrome (692322121223296).

The spelling of 201202110021194 in words is "two hundred one trillion, two hundred two billion, one hundred ten million, twenty-one thousand, one hundred ninety-four".