2128362101 has 4 divisors (see below), whose sum is σ = 2158339104. Its totient is φ = 2098385100.

The previous prime is 2128362079. The next prime is 2128362143. The reversal of 2128362101 is 1012638212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2128362101 - 2¹⁰ = 2128361077 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 (2128362001) 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, 14988395 + ... + 14988536.

It is an arithmetic number, because the mean of its divisors is an integer number (539584776).

Almost surely, 2^2128362101 is an apocalyptic number.

It is an amenable number.

2128362101 is a deficient number, since it is larger than the sum of its proper divisors (29977003).

2128362101 is an equidigital number, since it uses as much as digits as its factorization.

2128362101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29977002.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2128362101 is about 46134.1749790760. The cubic root of 2128362101 is about 1286.3184700888.

The spelling of 2128362101 in words is "two billion, one hundred twenty-eight million, three hundred sixty-two thousand, one hundred one".