201122455454 has 8 divisors (see below), whose sum is σ = 301690213608. Its totient is φ = 100559050920.

The previous prime is 201122455439. The next prime is 201122455529. The reversal of 201122455454 is 454554221102.

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

It is a super-2 number, since 2×201122455454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 970352 + ... + 1159235.

It is an arithmetic number, because the mean of its divisors is an integer number (37711276701).

Almost surely, 2^201122455454 is an apocalyptic number.

201122455454 is a deficient number, since it is larger than the sum of its proper divisors (100567758154).

201122455454 is a wasteful number, since it uses less digits than its factorization.

201122455454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176810.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 201122455454 its reverse (454554221102), we get a palindrome (655676676556).

The spelling of 201122455454 in words is "two hundred one billion, one hundred twenty-two million, four hundred fifty-five thousand, four hundred fifty-four".