2112277811760 has 120 divisors (see below), whose sum is σ = 7094521680480. Its totient is φ = 563211457536.

The previous prime is 2112277811741. The next prime is 2112277811783. The reversal of 2112277811760 is 671187722112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×2112277811760² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6506581 + ... + 6823499.

It is an arithmetic number, because the mean of its divisors is an integer number (59121014004).

Almost surely, 2^{2112277811760} is an apocalyptic number.

2112277811760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112277811760 is an abundant number, since it is smaller than the sum of its proper divisors (4982243868720).

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

2112277811760 is a wasteful number, since it uses less digits than its factorization.

2112277811760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326195 (or 326186 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 45.

The spelling of 2112277811760 in words is "two trillion, one hundred twelve billion, two hundred seventy-seven million, eight hundred eleven thousand, seven hundred sixty".