201115123622 has 48 divisors (see below), whose sum is σ = 358545877920. Its totient is φ = 84329586432.

The previous prime is 201115123619. The next prime is 201115123639. The reversal of 201115123622 is 226321511102.

It is a junction number, because it is equal to n+sod(n) for n = 201115123591 and 201115123600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1810718 + ... + 1918574.

It is an arithmetic number, because the mean of its divisors is an integer number (7469705790).

Almost surely, 2^201115123622 is an apocalyptic number.

201115123622 is a deficient number, since it is larger than the sum of its proper divisors (157430754298).

201115123622 is a wasteful number, since it uses less digits than its factorization.

201115123622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108285 (or 108278 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 201115123622 its reverse (226321511102), we get a palindrome (427436634724).

The spelling of 201115123622 in words is "two hundred one billion, one hundred fifteen million, one hundred twenty-three thousand, six hundred twenty-two".