4133222121 has 32 divisors (see below), whose sum is σ = 6729972480. Its totient is φ = 2202494976.

The previous prime is 4133222117. The next prime is 4133222173. The reversal of 4133222121 is 1212223314.

It is not a de Polignac number, because 4133222121 - 2² = 4133222117 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (4133222101) 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, 14196 + ... + 92021.

It is an arithmetic number, because the mean of its divisors is an integer number (210311640).

Almost surely, 2^4133222121 is an apocalyptic number.

It is an amenable number.

4133222121 is a deficient number, since it is larger than the sum of its proper divisors (2596750359).

4133222121 is a wasteful number, since it uses less digits than its factorization.

4133222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106353.

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

The square root of 4133222121 is about 64290.1401538370. The cubic root of 4133222121 is about 1604.8320228703.

Adding to 4133222121 its reverse (1212223314), we get a palindrome (5345445435).

The spelling of 4133222121 in words is "four billion, one hundred thirty-three million, two hundred twenty-two thousand, one hundred twenty-one".