10122221212222 has 8 divisors (see below), whose sum is σ = 17352379220976. Its totient is φ = 4338094805232.

The previous prime is 10122221212141. The next prime is 10122221212231. The reversal of 10122221212222 is 22221212222101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10122221212193 and 10122221212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361507900423 + ... + 361507900450.

It is an arithmetic number, because the mean of its divisors is an integer number (2169047402622).

Almost surely, 2^{10122221212222} is an apocalyptic number.

10122221212222 is a deficient number, since it is larger than the sum of its proper divisors (7230158008754).

10122221212222 is an equidigital number, since it uses as much as digits as its factorization.

10122221212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723015800882.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 10122221212222 its reverse (22221212222101), we get a palindrome (32343433434323).

It can be divided in two parts, 101 and 22221212222, that multiplied together give a palindrome (2244342434422).

The spelling of 10122221212222 in words is "ten trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twenty-two".