2142320201111 has 4 divisors (see below), whose sum is σ = 2142699983424. Its totient is φ = 2141940418800.

The previous prime is 2142320201083. The next prime is 2142320201113. The reversal of 2142320201111 is 1111020232412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142320201111 - 2¹⁰ = 2142320200087 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 (2142320201113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189882695 + ... + 189893976.

It is an arithmetic number, because the mean of its divisors is an integer number (535674995856).

Almost surely, 2^{2142320201111} is an apocalyptic number.

2142320201111 is a deficient number, since it is larger than the sum of its proper divisors (379782313).

2142320201111 is an equidigital number, since it uses as much as digits as its factorization.

2142320201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379782312.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2142320201111 its reverse (1111020232412), we get a palindrome (3253340433523).

The spelling of 2142320201111 in words is "two trillion, one hundred forty-two billion, three hundred twenty million, two hundred one thousand, one hundred eleven".