10011211121222 has 8 divisors (see below), whose sum is σ = 15262994004672. Its totient is φ = 4923546453000.

The previous prime is 10011211121207. The next prime is 10011211121243. The reversal of 10011211121222 is 22212111211001.

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

It is a super-2 number, since 2×10011211121222² (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 10011211121222.

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, 41029553654 + ... + 41029553897.

It is an arithmetic number, because the mean of its divisors is an integer number (1907874250584).

Almost surely, 2^{10011211121222} is an apocalyptic number.

10011211121222 is a deficient number, since it is larger than the sum of its proper divisors (5251782883450).

10011211121222 is an equidigital number, since it uses as much as digits as its factorization.

10011211121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82059107614.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10011211121222 its reverse (22212111211001), we get a palindrome (32223322332223).

The spelling of 10011211121222 in words is "ten trillion, eleven billion, two hundred eleven million, one hundred twenty-one thousand, two hundred twenty-two".