2102203120040 has 64 divisors (see below), whose sum is σ = 4900485744000. Its totient is φ = 810653052160.

The previous prime is 2102203120021. The next prime is 2102203120051. The reversal of 2102203120040 is 400213022012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610556 + ... + 2139435.

It is an arithmetic number, because the mean of its divisors is an integer number (76570089750).

Almost surely, 2^{2102203120040} is an apocalyptic number.

2102203120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102203120040 is an abundant number, since it is smaller than the sum of its proper divisors (2798282623960).

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

2102203120040 is a wasteful number, since it uses less digits than its factorization.

2102203120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750690 (or 2750686 counting only the distinct ones).

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

Adding to 2102203120040 its reverse (400213022012), we get a palindrome (2502416142052).

The spelling of 2102203120040 in words is "two trillion, one hundred two billion, two hundred three million, one hundred twenty thousand, forty".