2122443245156 has 24 divisors (see below), whose sum is σ = 4039593056184. Its totient is φ = 969890284800.

The previous prime is 2122443245077. The next prime is 2122443245201. The reversal of 2122443245156 is 6515423442212.

It can be written as a sum of positive squares in 4 ways, for example, as 479985696100 + 1642457549056 = 692810^2 + 1281584^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 202055225 + ... + 202065728.

It is an arithmetic number, because the mean of its divisors is an integer number (168316377341).

Almost surely, 2^{2122443245156} is an apocalyptic number.

2122443245156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2122443245156 is a deficient number, since it is larger than the sum of its proper divisors (1917149811028).

2122443245156 is a wasteful number, since it uses less digits than its factorization.

2122443245156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404121071 (or 404121069 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

Adding to 2122443245156 its reverse (6515423442212), we get a palindrome (8637866687368).

The spelling of 2122443245156 in words is "two trillion, one hundred twenty-two billion, four hundred forty-three million, two hundred forty-five thousand, one hundred fifty-six".