4211221126 has 16 divisors (see below), whose sum is σ = 7289328384. Its totient is φ = 1787286024.

The previous prime is 4211221057. The next prime is 4211221141. The reversal of 4211221126 is 6211221124.

It is a junction number, because it is equal to n+sod(n) for n = 4211221097 and 4211221106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458760 + ... + 1461643.

It is an arithmetic number, because the mean of its divisors is an integer number (455583024).

Almost surely, 2^4211221126 is an apocalyptic number.

4211221126 is a deficient number, since it is larger than the sum of its proper divisors (3078107258).

4211221126 is a wasteful number, since it uses less digits than its factorization.

4211221126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920515.

The product of its digits is 384, while the sum is 22.

The square root of 4211221126 is about 64893.9221036917. The cubic root of 4211221126 is about 1614.8642322774.

The spelling of 4211221126 in words is "four billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-six".