2028202111 has 8 divisors (see below), whose sum is σ = 2185137584. Its totient is φ = 1871398080.

The previous prime is 2028202093. The next prime is 2028202147. The reversal of 2028202111 is 1112028202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2028202111 - 2⁹ = 2028201599 is a prime.

It is a super-2 number, since 2×2028202111² = 8227207606129712642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028202151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451 + ... + 63691.

It is an arithmetic number, because the mean of its divisors is an integer number (273142198).

Almost surely, 2^2028202111 is an apocalyptic number.

2028202111 is a deficient number, since it is larger than the sum of its proper divisors (156935473).

2028202111 is a wasteful number, since it uses less digits than its factorization.

2028202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65721.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 2028202111 is about 45035.5649570426. The cubic root of 2028202111 is about 1265.8155023232.

The spelling of 2028202111 in words is "two billion, twenty-eight million, two hundred two thousand, one hundred eleven".