22022001211120 has 40 divisors (see below), whose sum is σ = 51204429246960. Its totient is φ = 8808236797440.

The previous prime is 22022001211109. The next prime is 22022001211123. The reversal of 22022001211120 is 2111210022022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 22022001211094 and 22022001211103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022001211123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7548510 + ... + 10051069.

It is an arithmetic number, because the mean of its divisors is an integer number (1280110731174).

Almost surely, 2^{22022001211120} is an apocalyptic number.

22022001211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022001211120 is an abundant number, since it is smaller than the sum of its proper divisors (29182428035840).

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

22022001211120 is a wasteful number, since it uses less digits than its factorization.

22022001211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17615233 (or 17615227 counting only the distinct ones).

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

Adding to 22022001211120 its reverse (2111210022022), we get a palindrome (24133211233142).

The spelling of 22022001211120 in words is "twenty-two trillion, twenty-two billion, one million, two hundred eleven thousand, one hundred twenty".