201115420441226 has 8 divisors (see below), whose sum is σ = 301689769243104. Its totient is φ = 100552164026860.

The previous prime is 201115420441219. The next prime is 201115420441241. The reversal of 201115420441226 is 622144024511102.

It is a happy number.

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

It is a super-2 number, since 2×201115420441226² (a number of 29 digits) contains 22 as substring.

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, 2773051550 + ... + 2773124073.

It is an arithmetic number, because the mean of its divisors is an integer number (37711221155388).

Almost surely, 2^{201115420441226} is an apocalyptic number.

201115420441226 is a deficient number, since it is larger than the sum of its proper divisors (100574348801878).

201115420441226 is a wasteful number, since it uses less digits than its factorization.

201115420441226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546193756.

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 201115420441226 its reverse (622144024511102), we get a palindrome (823259444952328).

The spelling of 201115420441226 in words is "two hundred one trillion, one hundred fifteen billion, four hundred twenty million, four hundred forty-one thousand, two hundred twenty-six".