22210102121220 has 240 divisors, whose sum is σ = 75983240847360. Its totient is φ = 5397897832704.

The previous prime is 22210102121191. The next prime is 22210102121261. The reversal of 22210102121220 is 2212120101222.

It is a happy number.

22210102121220 is a `hidden beast` number, since 2 + 221 + 0 + 10 + 212 + 1 + 220 = 666.

It is a super-2 number, since 2×22210102121220² (a number of 27 digits) contains 22 as substring.

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 = 22210102121193 and 22210102121202.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5011012 + ... + 8338491.

It is an arithmetic number, because the mean of its divisors is an integer number (316596836864).

Almost surely, 2^{22210102121220} is an apocalyptic number.

22210102121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210102121220 is an abundant number, since it is smaller than the sum of its proper divisors (53773138726140).

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

22210102121220 is a wasteful number, since it uses less digits than its factorization.

22210102121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13349616 (or 13349605 counting only the distinct ones).

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

Adding to 22210102121220 its reverse (2212120101222), we get a palindrome (24422222222442).

The spelling of 22210102121220 in words is "twenty-two trillion, two hundred ten billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty".