222011222021120 has 176 divisors, whose sum is σ = 608694709486080. Its totient is φ = 76112257941504.

The previous prime is 222011222021119. The next prime is 222011222021213. The reversal of 222011222021120 is 21120222110222.

It is a super-2 number, since 2×222011222021120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222011222021092 and 222011222021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477407276 + ... + 477872084.

Almost surely, 2^{222011222021120} is an apocalyptic number.

222011222021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222011222021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304347354743040).

222011222021120 is an abundant number, since it is smaller than the sum of its proper divisors (386683487464960).

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

222011222021120 is a wasteful number, since it uses less digits than its factorization.

222011222021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478168 (or 478150 counting only the distinct ones).

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

Adding to 222011222021120 its reverse (21120222110222), we get a palindrome (243131444131342).

It can be divided in two parts, 22201122 and 2021120, that added together give a palindrome (24222242).

The spelling of 222011222021120 in words is "two hundred twenty-two trillion, eleven billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty".