205011122 has 8 divisors (see below), whose sum is σ = 317436672. Its totient is φ = 99198900.

The previous prime is 205011119. The next prime is 205011173. The reversal of 205011122 is 221110502.

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 = 205011097 and 205011106.

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, 1653254 + ... + 1653377.

It is an arithmetic number, because the mean of its divisors is an integer number (39679584).

Almost surely, 2^205011122 is an apocalyptic number.

205011122 is a deficient number, since it is larger than the sum of its proper divisors (112425550).

205011122 is a wasteful number, since it uses less digits than its factorization.

205011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306664.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 205011122 is about 14318.2094550960. The cubic root of 205011122 is about 589.6475171230.

Adding to 205011122 its reverse (221110502), we get a palindrome (426121624).

The spelling of 205011122 in words is "two hundred five million, eleven thousand, one hundred twenty-two".