4011201040221 has 24 divisors (see below), whose sum is σ = 6254346458880. Its totient is φ = 2469665004576.

The previous prime is 4011201040219. The next prime is 4011201040277. The reversal of 4011201040221 is 1220401021104.

4011201040221 is a `hidden beast` number, since 40 + 1 + 1 + 201 + 0 + 402 + 21 = 666.

It is not a de Polignac number, because 4011201040221 - 2¹ = 4011201040219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4011201040194 and 4011201040203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011201040421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334093701 + ... + 334105706.

It is an arithmetic number, because the mean of its divisors is an integer number (260597769120).

Almost surely, 2^{4011201040221} is an apocalyptic number.

It is an amenable number.

4011201040221 is a deficient number, since it is larger than the sum of its proper divisors (2243145418659).

4011201040221 is a wasteful number, since it uses less digits than its factorization.

4011201040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668199465 (or 668199462 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 4011201040221 its reverse (1220401021104), we get a palindrome (5231602061325).

The spelling of 4011201040221 in words is "four trillion, eleven billion, two hundred one million, forty thousand, two hundred twenty-one".