13022100222122 has 4 divisors (see below), whose sum is σ = 19533150333186. Its totient is φ = 6511050111060.

The previous prime is 13022100222101. The next prime is 13022100222127. The reversal of 13022100222122 is 22122200122031.

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

It can be written as a sum of positive squares in only one way, i.e., 11295238783921 + 1726861438201 = 3360839^2 + 1314101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13022100222094 and 13022100222103.

It is not an unprimeable number, because it can be changed into a prime (13022100222127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255525055529 + ... + 3255525055532.

Almost surely, 2^{13022100222122} is an apocalyptic number.

13022100222122 is a deficient number, since it is larger than the sum of its proper divisors (6511050111064).

13022100222122 is an equidigital number, since it uses as much as digits as its factorization.

13022100222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511050111063.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13022100222122 its reverse (22122200122031), we get a palindrome (35144300344153).

The spelling of 13022100222122 in words is "thirteen trillion, twenty-two billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-two".