11121201221022 has 48 divisors (see below), whose sum is σ = 24310163037888. Its totient is φ = 3674250823680.

The previous prime is 11121201220949. The next prime is 11121201221041. The reversal of 11121201221022 is 22012210212111.

It is a super-2 number, since 2×11121201221022² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11121201220986 and 11121201221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4964943 + ... + 6847850.

It is an arithmetic number, because the mean of its divisors is an integer number (506461729956).

Almost surely, 2^{11121201221022} is an apocalyptic number.

11121201221022 is an abundant number, since it is smaller than the sum of its proper divisors (13188961816866).

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

11121201221022 is a wasteful number, since it uses less digits than its factorization.

11121201221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813265 (or 11813262 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11121201221022 its reverse (22012210212111), we get a palindrome (33133411433133).

The spelling of 11121201221022 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, two hundred twenty-one thousand, twenty-two".