100220020111220 has 48 divisors (see below), whose sum is σ = 228277337088528. Its totient is φ = 36809648701440.

The previous prime is 100220020111193. The next prime is 100220020111231. The reversal of 100220020111220 is 22111020022001.

It can be written as a sum of positive squares in 8 ways, for example, as 30795329817316 + 69424690293904 = 5549354^2 + 8332148^2 .

It is a super-2 number, since 2×100220020111220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100220020111195 and 100220020111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3594678317 + ... + 3594706196.

It is an arithmetic number, because the mean of its divisors is an integer number (4755777856011).

Almost surely, 2^{100220020111220} is an apocalyptic number.

100220020111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220020111220 is an abundant number, since it is smaller than the sum of its proper divisors (128057316977308).

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

100220020111220 is a wasteful number, since it uses less digits than its factorization.

100220020111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189384580 (or 7189384578 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100220020111220 its reverse (22111020022001), we get a palindrome (122331040133221).

The spelling of 100220020111220 in words is "one hundred trillion, two hundred twenty billion, twenty million, one hundred eleven thousand, two hundred twenty".