201105212434 has 8 divisors (see below), whose sum is σ = 344751792768. Its totient is φ = 86187948180.

The previous prime is 201105212431. The next prime is 201105212591. The reversal of 201105212434 is 434212501102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201105212399 and 201105212408.

It is not an unprimeable number, because it can be changed into a prime (201105212431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7182329002 + ... + 7182329029.

It is an arithmetic number, because the mean of its divisors is an integer number (43093974096).

Almost surely, 2^201105212434 is an apocalyptic number.

201105212434 is a deficient number, since it is larger than the sum of its proper divisors (143646580334).

201105212434 is a wasteful number, since it uses less digits than its factorization.

201105212434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364658040.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 201105212434 its reverse (434212501102), we get a palindrome (635317713536).

The spelling of 201105212434 in words is "two hundred one billion, one hundred five million, two hundred twelve thousand, four hundred thirty-four".