2101102240040 has 16 divisors (see below), whose sum is σ = 4727480040180. Its totient is φ = 840440896000.

The previous prime is 2101102239989. The next prime is 2101102240067. The reversal of 2101102240040 is 400422011012.

It can be written as a sum of positive squares in 2 ways, for example, as 2072903098564 + 28199141476 = 1439758^2 + 167926^2 .

It is a super-2 number, since 2×2101102240040² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26263777961 + ... + 26263778040.

Almost surely, 2^{2101102240040} is an apocalyptic number.

2101102240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101102240040 is an abundant number, since it is smaller than the sum of its proper divisors (2626377800140).

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

2101102240040 is a wasteful number, since it uses less digits than its factorization.

2101102240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52527556012 (or 52527556008 counting only the distinct ones).

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

Adding to 2101102240040 its reverse (400422011012), we get a palindrome (2501524251052).

The spelling of 2101102240040 in words is "two trillion, one hundred one billion, one hundred two million, two hundred forty thousand, forty".