6221133121 has 32 divisors (see below), whose sum is σ = 7766178560. Its totient is φ = 4864167936.

The previous prime is 6221133101. The next prime is 6221133133. The reversal of 6221133121 is 1213311226.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6221133121 - 2⁵ = 6221133089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6221133092 and 6221133101.

It is not an unprimeable number, because it can be changed into a prime (6221133101) 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, 470821 + ... + 483853.

It is an arithmetic number, because the mean of its divisors is an integer number (242693080).

Almost surely, 2^6221133121 is an apocalyptic number.

It is an amenable number.

6221133121 is a deficient number, since it is larger than the sum of its proper divisors (1545045439).

6221133121 is a wasteful number, since it uses less digits than its factorization.

6221133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13193.

The product of its digits is 432, while the sum is 22.

The square root of 6221133121 is about 78874.1600335623. The cubic root of 6221133121 is about 1839.1754655748.

Adding to 6221133121 its reverse (1213311226), we get a palindrome (7434444347).

The spelling of 6221133121 in words is "six billion, two hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty-one".