2133442101 has 16 divisors (see below), whose sum is σ = 3363062400. Its totient is φ = 1177071168.

The previous prime is 2133442097. The next prime is 2133442111. The reversal of 2133442101 is 1012443312.

It is not a de Polignac number, because 2133442101 - 2² = 2133442097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133442111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1750986 + ... + 1752203.

It is an arithmetic number, because the mean of its divisors is an integer number (210191400).

Almost surely, 2^2133442101 is an apocalyptic number.

2133442101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2133442101 is a deficient number, since it is larger than the sum of its proper divisors (1229620299).

2133442101 is a wasteful number, since it uses less digits than its factorization.

2133442101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503228.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2133442101 is about 46189.1989646930. The cubic root of 2133442101 is about 1287.3410570248.

Adding to 2133442101 its reverse (1012443312), we get a palindrome (3145885413).

The spelling of 2133442101 in words is "two billion, one hundred thirty-three million, four hundred forty-two thousand, one hundred one".