11001121001022 has 64 divisors (see below), whose sum is σ = 23754058859520. Its totient is φ = 3383643154944.

The previous prime is 11001121000993. The next prime is 11001121001047. The reversal of 11001121001022 is 22010012110011.

It is a junction number, because it is equal to n+sod(n) for n = 11001121000989 and 11001121001007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6359103 + ... + 7901925.

It is an arithmetic number, because the mean of its divisors is an integer number (371157169680).

Almost surely, 2^{11001121001022} is an apocalyptic number.

11001121001022 is an abundant number, since it is smaller than the sum of its proper divisors (12752937858498).

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

11001121001022 is a wasteful number, since it uses less digits than its factorization.

11001121001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544217.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001121001022 its reverse (22010012110011), we get a palindrome (33011133111033).

The spelling of 11001121001022 in words is "eleven trillion, one billion, one hundred twenty-one million, one thousand, twenty-two".