2021230030111 has 24 divisors (see below), whose sum is σ = 2051717453856. Its totient is φ = 1991089416960.

The previous prime is 2021230030093. The next prime is 2021230030117. The reversal of 2021230030111 is 1110300321202.

It is not a de Polignac number, because 2021230030111 - 2³⁵ = 1986870291743 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 (2021230030117) 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, 4422822595 + ... + 4422823051.

It is an arithmetic number, because the mean of its divisors is an integer number (85488227244).

Almost surely, 2^{2021230030111} is an apocalyptic number.

2021230030111 is a deficient number, since it is larger than the sum of its proper divisors (30487423745).

2021230030111 is an equidigital number, since it uses as much as digits as its factorization.

2021230030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2021230030111 its reverse (1110300321202), we get a palindrome (3131530351313).

The spelling of 2021230030111 in words is "two trillion, twenty-one billion, two hundred thirty million, thirty thousand, one hundred eleven".