2140221220401 has 24 divisors (see below), whose sum is σ = 3189796051680. Its totient is φ = 1275118947520.

The previous prime is 2140221220399. The next prime is 2140221220507. The reversal of 2140221220401 is 1040221220412.

It is not a de Polignac number, because 2140221220401 - 2¹ = 2140221220399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140221220201) 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, 49944060 + ... + 49986893.

It is an arithmetic number, because the mean of its divisors is an integer number (132908168820).

Almost surely, 2^{2140221220401} is an apocalyptic number.

It is an amenable number.

2140221220401 is a deficient number, since it is larger than the sum of its proper divisors (1049574831279).

2140221220401 is a wasteful number, since it uses less digits than its factorization.

2140221220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99931037 (or 99931026 counting only the distinct ones).

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

Adding to 2140221220401 its reverse (1040221220412), we get a palindrome (3180442440813).

The spelling of 2140221220401 in words is "two trillion, one hundred forty billion, two hundred twenty-one million, two hundred twenty thousand, four hundred one".