2122066555660 has 24 divisors (see below), whose sum is σ = 4600092663936. Its totient is φ = 821445118080.

The previous prime is 2122066555649. The next prime is 2122066555669. The reversal of 2122066555660 is 665556602212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122066555660.

It is not an unprimeable number, because it can be changed into a prime (2122066555669) 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, 1711343377 + ... + 1711344616.

It is an arithmetic number, because the mean of its divisors is an integer number (191670527664).

Almost surely, 2^{2122066555660} is an apocalyptic number.

2122066555660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122066555660 is an abundant number, since it is smaller than the sum of its proper divisors (2478026108276).

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

2122066555660 is a wasteful number, since it uses less digits than its factorization.

2122066555660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422688033 (or 3422688031 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 2122066555660 in words is "two trillion, one hundred twenty-two billion, sixty-six million, five hundred fifty-five thousand, six hundred sixty".