201102021120194 has 4 divisors (see below), whose sum is σ = 301653031680294. Its totient is φ = 100551010560096.

The previous prime is 201102021120181. The next prime is 201102021120233. The reversal of 201102021120194 is 491021120201102.

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., 160858159242169 + 40243861878025 = 12682987^2 + 6343805^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50275505280047 + ... + 50275505280050.

Almost surely, 2^{201102021120194} is an apocalyptic number.

201102021120194 is a deficient number, since it is larger than the sum of its proper divisors (100551010560100).

201102021120194 is a wasteful number, since it uses less digits than its factorization.

201102021120194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100551010560099.

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

Adding to 201102021120194 its reverse (491021120201102), we get a palindrome (692123141321296).

The spelling of 201102021120194 in words is "two hundred one trillion, one hundred two billion, twenty-one million, one hundred twenty thousand, one hundred ninety-four".