2106512065722 has 16 divisors (see below), whose sum is σ = 4292515153440. Its totient is φ = 688922184912.

The previous prime is 2106512065711. The next prime is 2106512065793. The reversal of 2106512065722 is 2275602156012.

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, 3312125572 + ... + 3312126207.

It is an arithmetic number, because the mean of its divisors is an integer number (268282197090).

Almost surely, 2^{2106512065722} is an apocalyptic number.

2106512065722 is an abundant number, since it is smaller than the sum of its proper divisors (2186003087718).

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

2106512065722 is a wasteful number, since it uses less digits than its factorization.

2106512065722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624251837.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 2106512065722 in words is "two trillion, one hundred six billion, five hundred twelve million, sixty-five thousand, seven hundred twenty-two".