2140004221221 has 8 divisors (see below), whose sum is σ = 2853351485344. Its totient is φ = 1426663218960.

The previous prime is 2140004221211. The next prime is 2140004221231. The reversal of 2140004221221 is 1221224000412.

It is an interprime number because it is at equal distance from previous prime (2140004221211) and next prime (2140004221231).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2140004221221 - 2¹⁵ = 2140004188453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140004221211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699631 + ... + 2183916.

It is an arithmetic number, because the mean of its divisors is an integer number (356668935668).

Almost surely, 2^{2140004221221} is an apocalyptic number.

It is an amenable number.

2140004221221 is a deficient number, since it is larger than the sum of its proper divisors (713347264123).

2140004221221 is a wasteful number, since it uses less digits than its factorization.

2140004221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130931.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2140004221221 its reverse (1221224000412), we get a palindrome (3361228221633).

The spelling of 2140004221221 in words is "two trillion, one hundred forty billion, four million, two hundred twenty-one thousand, two hundred twenty-one".