10111011222220 has 96 divisors (see below), whose sum is σ = 22514600908800. Its totient is φ = 3803472288000.

The previous prime is 10111011222209. The next prime is 10111011222229. The reversal of 10111011222220 is 2222211011101.

10111011222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10111011222194 and 10111011222203.

It is not an unprimeable number, because it can be changed into a prime (10111011222229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81934365 + ... + 82057675.

It is an arithmetic number, because the mean of its divisors is an integer number (234527092800).

Almost surely, 2^{10111011222220} is an apocalyptic number.

10111011222220 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 10111011222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11257300454400).

10111011222220 is an abundant number, since it is smaller than the sum of its proper divisors (12403589686580).

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

10111011222220 is a wasteful number, since it uses less digits than its factorization.

10111011222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124919 (or 124917 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111011222220 its reverse (2222211011101), we get a palindrome (12333222233321).

The spelling of 10111011222220 in words is "ten trillion, one hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred twenty".