3801011221 has 32 divisors (see below), whose sum is σ = 4559708160. Its totient is φ = 3100680000.

The previous prime is 3801011219. The next prime is 3801011297. The reversal of 3801011221 is 1221101083.

It is a cyclic number.

It is not a de Polignac number, because 3801011221 - 2¹ = 3801011219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801017221) 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, 3835036 + ... + 3836026.

It is an arithmetic number, because the mean of its divisors is an integer number (142490880).

Almost surely, 2^3801011221 is an apocalyptic number.

It is an amenable number.

3801011221 is a deficient number, since it is larger than the sum of its proper divisors (758696939).

3801011221 is a wasteful number, since it uses less digits than its factorization.

3801011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 3801011221 is about 61652.3415694814. The cubic root of 3801011221 is about 1560.6291595731.

The spelling of 3801011221 in words is "three billion, eight hundred one million, eleven thousand, two hundred twenty-one".