2100273840521 has 8 divisors (see below), whose sum is σ = 2121071581440. Its totient is φ = 2079573971968.

The previous prime is 2100273840499. The next prime is 2100273840593. The reversal of 2100273840521 is 1250483720012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100273840521 - 2¹⁴ = 2100273824137 is a prime.

It is a super-2 number, since 2×2100273840521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100273840121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24424961 + ... + 24510798.

It is an arithmetic number, because the mean of its divisors is an integer number (265133947680).

Almost surely, 2^{2100273840521} is an apocalyptic number.

It is an amenable number.

2100273840521 is a deficient number, since it is larger than the sum of its proper divisors (20797740919).

2100273840521 is a wasteful number, since it uses less digits than its factorization.

2100273840521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48936183.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 2100273840521 in words is "two trillion, one hundred billion, two hundred seventy-three million, eight hundred forty thousand, five hundred twenty-one".