2122700656229 has 4 divisors (see below), whose sum is σ = 2122950012876. Its totient is φ = 2122451299584.

The previous prime is 2122700656147. The next prime is 2122700656231. The reversal of 2122700656229 is 9226560072212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 965404502500 + 1157296153729 = 982550^2 + 1075777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122700656229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122700656229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122700656829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124665554 + ... + 124682579.

It is an arithmetic number, because the mean of its divisors is an integer number (530737503219).

Almost surely, 2^{2122700656229} is an apocalyptic number.

It is an amenable number.

2122700656229 is a deficient number, since it is larger than the sum of its proper divisors (249356647).

2122700656229 is an equidigital number, since it uses as much as digits as its factorization.

2122700656229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249356646.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 2122700656229 in words is "two trillion, one hundred twenty-two billion, seven hundred million, six hundred fifty-six thousand, two hundred twenty-nine".