2122105642530 has 16 divisors (see below), whose sum is σ = 5093053542144. Its totient is φ = 565894838000.

The previous prime is 2122105642529. The next prime is 2122105642603. The reversal of 2122105642530 is 352465012212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2122105642491 and 2122105642500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35368427346 + ... + 35368427405.

It is an arithmetic number, because the mean of its divisors is an integer number (318315846384).

Almost surely, 2^{2122105642530} is an apocalyptic number.

2122105642530 is an abundant number, since it is smaller than the sum of its proper divisors (2970947899614).

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

2122105642530 is a wasteful number, since it uses less digits than its factorization.

2122105642530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70736854761.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 2122105642530 in words is "two trillion, one hundred twenty-two billion, one hundred five million, six hundred forty-two thousand, five hundred thirty".