10222220121122 has 4 divisors (see below), whose sum is σ = 15333330181686. Its totient is φ = 5111110060560.

The previous prime is 10222220121107. The next prime is 10222220121163. The reversal of 10222220121122 is 22112102222201.

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., 6597495336481 + 3624724784641 = 2568559^2 + 1903871^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10222220121094 and 10222220121103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555555030279 + ... + 2555555030282.

Almost surely, 2^{10222220121122} is an apocalyptic number.

10222220121122 is a deficient number, since it is larger than the sum of its proper divisors (5111110060564).

10222220121122 is an equidigital number, since it uses as much as digits as its factorization.

10222220121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111110060563.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10222220121122 its reverse (22112102222201), we get a palindrome (32334322343323).

The spelling of 10222220121122 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".