22201211220120 has 48 divisors (see below), whose sum is σ = 72153936466560. Its totient is φ = 5920322991936.

The previous prime is 22201211220047. The next prime is 22201211220143. The reversal of 22201211220120 is 2102211210222.

It is a happy number.

22201211220120 is a `hidden beast` number, since 2 + 220 + 1 + 211 + 220 + 12 + 0 = 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 = 22201211220093 and 22201211220102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30835015224 + ... + 30835015943.

It is an arithmetic number, because the mean of its divisors is an integer number (1503207009720).

Almost surely, 2^{22201211220120} is an apocalyptic number.

22201211220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201211220120 is an abundant number, since it is smaller than the sum of its proper divisors (49952725246440).

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

22201211220120 is a wasteful number, since it uses less digits than its factorization.

22201211220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61670031184 (or 61670031177 counting only the distinct ones).

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

Adding to 22201211220120 its reverse (2102211210222), we get a palindrome (24303422430342).

The spelling of 22201211220120 in words is "twenty-two trillion, two hundred one billion, two hundred eleven million, two hundred twenty thousand, one hundred twenty".