2101042340 has 24 divisors (see below), whose sum is σ = 4421656512. Its totient is φ = 838613600.

The previous prime is 2101042331. The next prime is 2101042351. The reversal of 2101042340 is 432401012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103136 + ... + 121815.

It is an arithmetic number, because the mean of its divisors is an integer number (184235688).

Almost surely, 2^2101042340 is an apocalyptic number.

2101042340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101042340 is an abundant number, since it is smaller than the sum of its proper divisors (2320614172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101042340 is a wasteful number, since it uses less digits than its factorization.

2101042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225427 (or 225425 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2101042340 is about 45837.1284004572. The cubic root of 2101042340 is about 1280.7910027818.

Adding to 2101042340 its reverse (432401012), we get a palindrome (2533443352).

The spelling of 2101042340 in words is "two billion, one hundred one million, forty-two thousand, three hundred forty".