2135111204 has 6 divisors (see below), whose sum is σ = 3736444614. Its totient is φ = 1067555600.

The previous prime is 2135111189. The next prime is 2135111257. The reversal of 2135111204 is 4021115312.

It can be written as a sum of positive squares in only one way, i.e., 1900960000 + 234151204 = 43600^2 + 15302^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266888897 + ... + 266888904.

It is an arithmetic number, because the mean of its divisors is an integer number (622740769).

Almost surely, 2^2135111204 is an apocalyptic number.

It is an amenable number.

2135111204 is a deficient number, since it is larger than the sum of its proper divisors (1601333410).

2135111204 is a wasteful number, since it uses less digits than its factorization.

2135111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533777805 (or 533777803 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2135111204 is about 46207.2635415689. The cubic root of 2135111204 is about 1287.6766875245.

Adding to 2135111204 its reverse (4021115312), we get a palindrome (6156226516).

The spelling of 2135111204 in words is "two billion, one hundred thirty-five million, one hundred eleven thousand, two hundred four".