2321020352111 has 4 divisors (see below), whose sum is σ = 2321024108424. Its totient is φ = 2321016595800.

The previous prime is 2321020352107. The next prime is 2321020352171. The reversal of 2321020352111 is 1112530201232.

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 2321020352111 - 2² = 2321020352107 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 (2321020352171) 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, 708500 + ... + 2268041.

It is an arithmetic number, because the mean of its divisors is an integer number (580256027106).

Almost surely, 2^{2321020352111} is an apocalyptic number.

2321020352111 is a deficient number, since it is larger than the sum of its proper divisors (3756313).

2321020352111 is an equidigital number, since it uses as much as digits as its factorization.

2321020352111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756312.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 2321020352111 its reverse (1112530201232), we get a palindrome (3433550553343).

The spelling of 2321020352111 in words is "two trillion, three hundred twenty-one billion, twenty million, three hundred fifty-two thousand, one hundred eleven".