2102112322340 has 36 divisors (see below), whose sum is σ = 4689383453076. Its totient is φ = 791383460352.

The previous prime is 2102112322339. The next prime is 2102112322351. The reversal of 2102112322340 is 432232112012.

It can be written as a sum of positive squares in 6 ways, for example, as 50732156644 + 2051380165696 = 225238^2 + 1432264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181837847 + ... + 181849406.

Almost surely, 2^{2102112322340} is an apocalyptic number.

2102112322340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102112322340 is an abundant number, since it is smaller than the sum of its proper divisors (2587271130736).

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

2102112322340 is a wasteful number, since it uses less digits than its factorization.

2102112322340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363687296 (or 363687277 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2102112322340 its reverse (432232112012), we get a palindrome (2534344434352).

The spelling of 2102112322340 in words is "two trillion, one hundred two billion, one hundred twelve million, three hundred twenty-two thousand, three hundred forty".