2120043321201 has 16 divisors (see below), whose sum is σ = 3044267184896. Its totient is φ = 1304598151296.

The previous prime is 2120043321139. The next prime is 2120043321239. The reversal of 2120043321201 is 1021233400212.

It is not a de Polignac number, because 2120043321201 - 2⁷ = 2120043321073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120043321251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279381 + ... + 2078013.

It is an arithmetic number, because the mean of its divisors is an integer number (190266699056).

Almost surely, 2^{2120043321201} is an apocalyptic number.

It is an amenable number.

2120043321201 is a deficient number, since it is larger than the sum of its proper divisors (924223863695).

2120043321201 is a wasteful number, since it uses less digits than its factorization.

2120043321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828872.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2120043321201 its reverse (1021233400212), we get a palindrome (3141276721413).

The spelling of 2120043321201 in words is "two trillion, one hundred twenty billion, forty-three million, three hundred twenty-one thousand, two hundred one".