11222212001222 has 8 divisors (see below), whose sum is σ = 16833782593272. Its totient is φ = 5610951136800.

The previous prime is 11222212001207. The next prime is 11222212001227. The reversal of 11222212001222 is 22210021222211.

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

It is a super-2 number, since 2×11222212001222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222212001194 and 11222212001203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222212001227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77341304 + ... + 77486267.

It is an arithmetic number, because the mean of its divisors is an integer number (2104222824159).

Almost surely, 2^{11222212001222} is an apocalyptic number.

11222212001222 is a deficient number, since it is larger than the sum of its proper divisors (5611570592050).

11222212001222 is a wasteful number, since it uses less digits than its factorization.

11222212001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154863814.

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

Adding to 11222212001222 its reverse (22210021222211), we get a palindrome (33432233223433).

The spelling of 11222212001222 in words is "eleven trillion, two hundred twenty-two billion, two hundred twelve million, one thousand, two hundred twenty-two".