40111420003221 has 24 divisors (see below), whose sum is σ = 62216110757280. Its totient is φ = 22919897845152.

The previous prime is 40111420003217. The next prime is 40111420003223. The reversal of 40111420003221 is 12230002411104.

It is not a de Polignac number, because 40111420003221 - 2² = 40111420003217 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40111420003223) 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, 1728826 + ... + 9122043.

It is an arithmetic number, because the mean of its divisors is an integer number (2592337948220).

Almost surely, 2^{40111420003221} is an apocalyptic number.

It is an amenable number.

40111420003221 is a deficient number, since it is larger than the sum of its proper divisors (22104690754059).

40111420003221 is a wasteful number, since it uses less digits than its factorization.

40111420003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10876033 (or 10876026 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 40111420003221 its reverse (12230002411104), we get a palindrome (52341422414325).

The spelling of 40111420003221 in words is "forty trillion, one hundred eleven billion, four hundred twenty million, three thousand, two hundred twenty-one".