2112202341520 has 80 divisors (see below), whose sum is σ = 5200755599088. Its totient is φ = 795027537920.

The previous prime is 2112202341467. The next prime is 2112202341551. The reversal of 2112202341520 is 251432022112.

It can be written as a sum of positive squares in 8 ways, for example, as 716203378944 + 1395998962576 = 846288^2 + 1181524^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2112202341520² (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 15 ways as a sum of consecutive naturals, for example, 6974040 + ... + 7270600.

Almost surely, 2^{2112202341520} is an apocalyptic number.

2112202341520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112202341520 is an abundant number, since it is smaller than the sum of its proper divisors (3088553257568).

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

2112202341520 is a wasteful number, since it uses less digits than its factorization.

2112202341520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301828 (or 301822 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2112202341520 its reverse (251432022112), we get a palindrome (2363634363632).

The spelling of 2112202341520 in words is "two trillion, one hundred twelve billion, two hundred two million, three hundred forty-one thousand, five hundred twenty".