10011322312220 has 48 divisors (see below), whose sum is σ = 21967783709760. Its totient is φ = 3825193168896.

The previous prime is 10011322312219. The next prime is 10011322312247. The reversal of 10011322312220 is 2221322311001.

10011322312220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10011322312220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10011322312192 and 10011322312201.

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, 14508485 + ... + 15182844.

It is an arithmetic number, because the mean of its divisors is an integer number (457662160620).

Almost surely, 2^{10011322312220} is an apocalyptic number.

10011322312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011322312220 is an abundant number, since it is smaller than the sum of its proper divisors (11956461397540).

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

10011322312220 is a wasteful number, since it uses less digits than its factorization.

10011322312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29692094 (or 29692092 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10011322312220 its reverse (2221322311001), we get a palindrome (12232644623221).

The spelling of 10011322312220 in words is "ten trillion, eleven billion, three hundred twenty-two million, three hundred twelve thousand, two hundred twenty".