22002210121220 has 48 divisors (see below), whose sum is σ = 53035895216640. Its totient is φ = 7510673337984.

The previous prime is 22002210121169. The next prime is 22002210121289. The reversal of 22002210121220 is 2212101220022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343109084 + ... + 343173203.

It is an arithmetic number, because the mean of its divisors is an integer number (1104914483680).

Almost surely, 2^{22002210121220} is an apocalyptic number.

22002210121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002210121220 is an abundant number, since it is smaller than the sum of its proper divisors (31033685095420).

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

22002210121220 is a wasteful number, since it uses less digits than its factorization.

22002210121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686282532 (or 686282530 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22002210121220 its reverse (2212101220022), we get a palindrome (24214311341242).

The spelling of 22002210121220 in words is "twenty-two trillion, two billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty".