2133021121 has 32 divisors (see below), whose sum is σ = 2724212736. Its totient is φ = 1622040000.

The previous prime is 2133021119. The next prime is 2133021151. The reversal of 2133021121 is 1211203312.

It is not a de Polignac number, because 2133021121 - 2¹ = 2133021119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133021095 and 2133021104.

It is not an unprimeable number, because it can be changed into a prime (2133021151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550236 + ... + 554098.

It is an arithmetic number, because the mean of its divisors is an integer number (85131648).

Almost surely, 2^2133021121 is an apocalyptic number.

It is an amenable number.

2133021121 is a deficient number, since it is larger than the sum of its proper divisors (591191615).

2133021121 is a wasteful number, since it uses less digits than its factorization.

2133021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2133021121 is about 46184.6416138525. The cubic root of 2133021121 is about 1287.2563768909.

Adding to 2133021121 its reverse (1211203312), we get a palindrome (3344224433).

The spelling of 2133021121 in words is "two billion, one hundred thirty-three million, twenty-one thousand, one hundred twenty-one".