201011434402 has 8 divisors (see below), whose sum is σ = 301529364012. Its totient is φ = 100501646400.

The previous prime is 201011434397. The next prime is 201011434447. The reversal of 201011434402 is 204434110102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 151282880401 + 49728554001 = 388951^2 + 222999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973299 + ... + 2072662.

Almost surely, 2^201011434402 is an apocalyptic number.

201011434402 is a deficient number, since it is larger than the sum of its proper divisors (100517929610).

201011434402 is a wasteful number, since it uses less digits than its factorization.

201011434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070804.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201011434402 its reverse (204434110102), we get a palindrome (405445544504).

The spelling of 201011434402 in words is "two hundred one billion, eleven million, four hundred thirty-four thousand, four hundred two".