11001002121222 has 16 divisors (see below), whose sum is σ = 22004435780400. Its totient is φ = 3666595450752.

The previous prime is 11001002121169. The next prime is 11001002121271. The reversal of 11001002121222 is 22212120010011.

It is a super-2 number, since 2×11001002121222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101255263 + ... + 101363850.

It is an arithmetic number, because the mean of its divisors is an integer number (1375277236275).

Almost surely, 2^{11001002121222} is an apocalyptic number.

11001002121222 is an abundant number, since it is smaller than the sum of its proper divisors (11003433659178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001002121222 is a wasteful number, since it uses less digits than its factorization.

11001002121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202628167.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11001002121222 its reverse (22212120010011), we get a palindrome (33213122131233).

The spelling of 11001002121222 in words is "eleven trillion, one billion, two million, one hundred twenty-one thousand, two hundred twenty-two".