2123133101 has 4 divisors (see below), whose sum is σ = 2130049152. Its totient is φ = 2116217052.

The previous prime is 2123133097. The next prime is 2123133109. The reversal of 2123133101 is 1013313212.

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 2123133101 - 2² = 2123133097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123133101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123133109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3457565 + ... + 3458178.

It is an arithmetic number, because the mean of its divisors is an integer number (532512288).

Almost surely, 2^2123133101 is an apocalyptic number.

It is an amenable number.

2123133101 is a deficient number, since it is larger than the sum of its proper divisors (6916051).

2123133101 is an equidigital number, since it uses as much as digits as its factorization.

2123133101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916050.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2123133101 is about 46077.4684742988. The cubic root of 2123133101 is about 1285.2641890957.

Adding to 2123133101 its reverse (1013313212), we get a palindrome (3136446313).

It can be divided in two parts, 212 and 3133101, that added together give a palindrome (3133313).

The spelling of 2123133101 in words is "two billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred one".