201120205451 has 8 divisors (see below), whose sum is σ = 221345488944. Its totient is φ = 181218526720.

The previous prime is 201120205409. The next prime is 201120205477. The reversal of 201120205451 is 154502021102.

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

It is not a de Polignac number, because 201120205451 - 2¹⁸ = 201119943307 is a prime.

It is a super-2 number, since 2×201120205451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201120705451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80899886 + ... + 80902371.

It is an arithmetic number, because the mean of its divisors is an integer number (27668186118).

Almost surely, 2^201120205451 is an apocalyptic number.

201120205451 is a deficient number, since it is larger than the sum of its proper divisors (20225283493).

201120205451 is a wasteful number, since it uses less digits than its factorization.

201120205451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161802381.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 201120205451 its reverse (154502021102), we get a palindrome (355622226553).

The spelling of 201120205451 in words is "two hundred one billion, one hundred twenty million, two hundred five thousand, four hundred fifty-one".