11222011121022 has 96 divisors (see below), whose sum is σ = 26350012948896. Its totient is φ = 3431133561600.

The previous prime is 11222011121017. The next prime is 11222011121039. The reversal of 11222011121022 is 22012111022211.

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 = 11222011120986 and 11222011121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244886872 + ... + 244932692.

It is an arithmetic number, because the mean of its divisors is an integer number (274479301551).

Almost surely, 2^{11222011121022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222011121022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13175006474448).

11222011121022 is an abundant number, since it is smaller than the sum of its proper divisors (15128001827874).

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

11222011121022 is a wasteful number, since it uses less digits than its factorization.

11222011121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52426 (or 52423 counting only the distinct ones).

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

Adding to 11222011121022 its reverse (22012111022211), we get a palindrome (33234122143233).

The spelling of 11222011121022 in words is "eleven trillion, two hundred twenty-two billion, eleven million, one hundred twenty-one thousand, twenty-two".