22211020021120 has 192 divisors, whose sum is σ = 61953953999760. Its totient is φ = 7592196648960.

The previous prime is 22211020021063. The next prime is 22211020021121. The reversal of 22211020021120 is 2112002011222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22211020021094 and 22211020021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211020021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9310282 + ... + 11450038.

Almost surely, 2^{22211020021120} is an apocalyptic number.

22211020021120 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 22211020021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30976976999880).

22211020021120 is an abundant number, since it is smaller than the sum of its proper divisors (39742933978640).

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

22211020021120 is a wasteful number, since it uses less digits than its factorization.

22211020021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140121 (or 2140102 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22211020021120 its reverse (2112002011222), we get a palindrome (24323022032342).

The spelling of 22211020021120 in words is "twenty-two trillion, two hundred eleven billion, twenty million, twenty-one thousand, one hundred twenty".