2101102004240 has 40 divisors (see below), whose sum is σ = 4885160906328. Its totient is φ = 840423813120.

The previous prime is 2101102004237. The next prime is 2101102004291. The reversal of 2101102004240 is 424002011012.

It can be written as a sum of positive squares in 4 ways, for example, as 405356328976 + 1695745675264 = 636676^2 + 1302208^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 4179200 + ... + 4654880.

Almost surely, 2^{2101102004240} is an apocalyptic number.

2101102004240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101102004240 is an abundant number, since it is smaller than the sum of its proper divisors (2784058902088).

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

2101102004240 is a wasteful number, since it uses less digits than its factorization.

2101102004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530907 (or 530901 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2101102004240 its reverse (424002011012), we get a palindrome (2525104015252).

The spelling of 2101102004240 in words is "two trillion, one hundred one billion, one hundred two million, four thousand, two hundred forty".