22222021101120 has 280 divisors, whose sum is σ = 79489262001600. Its totient is φ = 5892765631488.

The previous prime is 22222021101073. The next prime is 22222021101121. The reversal of 22222021101120 is 2110112022222.

It is a happy number.

22222021101120 is a `hidden beast` number, since 222 + 220 + 2 + 1 + 101 + 120 = 666.

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 = 22222021101093 and 22222021101102.

It is not an unprimeable number, because it can be changed into a prime (22222021101121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2244901 + ... + 7034459.

Almost surely, 2^{22222021101120} is an apocalyptic number.

22222021101120 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 22222021101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39744631000800).

22222021101120 is an abundant number, since it is smaller than the sum of its proper divisors (57267240900480).

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

22222021101120 is a wasteful number, since it uses less digits than its factorization.

22222021101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789767 (or 4789748 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22222021101120 its reverse (2110112022222), we get a palindrome (24332133123342).

The spelling of 22222021101120 in words is "twenty-two trillion, two hundred twenty-two billion, twenty-one million, one hundred one thousand, one hundred twenty".