10011222120 has 32 divisors (see below), whose sum is σ = 30033666720. Its totient is φ = 2669659200.

The previous prime is 10011222073. The next prime is 10011222131. The reversal of 10011222120 is 2122211001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10011222096 and 10011222105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41713306 + ... + 41713545.

It is an arithmetic number, because the mean of its divisors is an integer number (938552085).

Almost surely, 2^10011222120 is an apocalyptic number.

10011222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011222120 is an abundant number, since it is smaller than the sum of its proper divisors (20022444600).

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

10011222120 is a wasteful number, since it uses less digits than its factorization.

10011222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83426865 (or 83426861 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10011222120 its reverse (2122211001), we get a palindrome (12133433121).

The spelling of 10011222120 in words is "ten billion, eleven million, two hundred twenty-two thousand, one hundred twenty".