2135120503201 has 4 divisors (see below), whose sum is σ = 2440137717952. Its totient is φ = 1830103288452.

The previous prime is 2135120503193. The next prime is 2135120503247. The reversal of 2135120503201 is 1023050215312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2135120503201 - 2³ = 2135120503193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135120503261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152508607365 + ... + 152508607378.

It is an arithmetic number, because the mean of its divisors is an integer number (610034429488).

Almost surely, 2^{2135120503201} is an apocalyptic number.

It is an amenable number.

2135120503201 is a deficient number, since it is larger than the sum of its proper divisors (305017214751).

2135120503201 is an equidigital number, since it uses as much as digits as its factorization.

2135120503201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305017214750.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 2135120503201 its reverse (1023050215312), we get a palindrome (3158170718513).

The spelling of 2135120503201 in words is "two trillion, one hundred thirty-five billion, one hundred twenty million, five hundred three thousand, two hundred one".