10101222002220 has 192 divisors, whose sum is σ = 29944862922240. Its totient is φ = 2541140232192.

The previous prime is 10101222002177. The next prime is 10101222002237. The reversal of 10101222002220 is 2220022210101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10101222002220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9033319 + ... + 10089761.

It is an arithmetic number, because the mean of its divisors is an integer number (155962827720).

Almost surely, 2^{10101222002220} is an apocalyptic number.

10101222002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101222002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14972431461120).

10101222002220 is an abundant number, since it is smaller than the sum of its proper divisors (19843640920020).

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

10101222002220 is a wasteful number, since it uses less digits than its factorization.

10101222002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056624 (or 1056622 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10101222002220 its reverse (2220022210101), we get a palindrome (12321244212321).

The spelling of 10101222002220 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, two thousand, two hundred twenty".