1220211100222 has 8 divisors (see below), whose sum is σ = 1848438597672. Its totient is φ = 604064901000.

The previous prime is 1220211100187. The next prime is 1220211100243. The reversal of 1220211100222 is 2220011120221.

It is a happy number.

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 = 1220211100196 and 1220211100205.

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, 3020324304 + ... + 3020324707.

It is an arithmetic number, because the mean of its divisors is an integer number (231054824709).

Almost surely, 2^{1220211100222} is an apocalyptic number.

1220211100222 is a deficient number, since it is larger than the sum of its proper divisors (628227497450).

1220211100222 is a wasteful number, since it uses less digits than its factorization.

1220211100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040649114.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220211100222 its reverse (2220011120221), we get a palindrome (3440222220443).

The spelling of 1220211100222 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred thousand, two hundred twenty-two".