2101212032320 has 56 divisors (see below), whose sum is σ = 5005512065664. Its totient is φ = 840148701696.

The previous prime is 2101212032273. The next prime is 2101212032329. The reversal of 2101212032320 is 232302121012.

It is a super-3 number, since 3×2101212032320³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101212032329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510724 + ... + 2112643.

Almost surely, 2^{2101212032320} is an apocalyptic number.

2101212032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101212032320 is an abundant number, since it is smaller than the sum of its proper divisors (2904300033344).

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

2101212032320 is a wasteful number, since it uses less digits than its factorization.

2101212032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625887 (or 2625877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2101212032320 its reverse (232302121012), we get a palindrome (2333514153332).

The spelling of 2101212032320 in words is "two trillion, one hundred one billion, two hundred twelve million, thirty-two thousand, three hundred twenty".