10001211223222 has 8 divisors (see below), whose sum is σ = 15003509495616. Its totient is φ = 5000041391352.

The previous prime is 10001211223169. The next prime is 10001211223253. The reversal of 10001211223222 is 22232211210001.

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

It is a super-2 number, since 2×10001211223222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10001211223222.

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, 282087973 + ... + 282123424.

It is an arithmetic number, because the mean of its divisors is an integer number (1875438686952).

Almost surely, 2^{10001211223222} is an apocalyptic number.

10001211223222 is a deficient number, since it is larger than the sum of its proper divisors (5002298272394).

10001211223222 is an equidigital number, since it uses as much as digits as its factorization.

10001211223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564220262.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10001211223222 its reverse (22232211210001), we get a palindrome (32233422433223).

The spelling of 10001211223222 in words is "ten trillion, one billion, two hundred eleven million, two hundred twenty-three thousand, two hundred twenty-two".