10120221222220 has 12 divisors (see below), whose sum is σ = 21252464566704. Its totient is φ = 4048088488880.

The previous prime is 10120221222217. The next prime is 10120221222227. The reversal of 10120221222220 is 2222212202101.

It is not an unprimeable number, because it can be changed into a prime (10120221222227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253005530536 + ... + 253005530575.

It is an arithmetic number, because the mean of its divisors is an integer number (1771038713892).

Almost surely, 2^{10120221222220} is an apocalyptic number.

10120221222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120221222220 is an abundant number, since it is smaller than the sum of its proper divisors (11132243344484).

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

10120221222220 is a wasteful number, since it uses less digits than its factorization.

10120221222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506011061120 (or 506011061118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10120221222220 its reverse (2222212202101), we get a palindrome (12342433424321).

The spelling of 10120221222220 in words is "ten trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty".