10222012101220 has 24 divisors (see below), whose sum is σ = 21466575285624. Its totient is φ = 4088738198016.

The previous prime is 10222012101193. The next prime is 10222012101221. The reversal of 10222012101220 is 2210121022201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 142199884836 + 10079812216384 = 377094^2 + 3174872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10222012101194 and 10222012101203.

It is not an unprimeable number, because it can be changed into a prime (10222012101221) 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, 2897989 + ... + 5370508.

It is an arithmetic number, because the mean of its divisors is an integer number (894440636901).

Almost surely, 2^{10222012101220} is an apocalyptic number.

10222012101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222012101220 is an abundant number, since it is smaller than the sum of its proper divisors (11244563184404).

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

10222012101220 is a wasteful number, since it uses less digits than its factorization.

10222012101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330319 (or 8330317 counting only the distinct ones).

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

Adding to 10222012101220 its reverse (2210121022201), we get a palindrome (12432133123421).

The spelling of 10222012101220 in words is "ten trillion, two hundred twenty-two billion, twelve million, one hundred one thousand, two hundred twenty".