11012222120 has 32 divisors (see below), whose sum is σ = 25126485120. Its totient is φ = 4342847040.

The previous prime is 11012222087. The next prime is 11012222131. The reversal of 11012222120 is 2122221011.

It is a junction number, because it is equal to n+sod(n) for n = 11012222095 and 11012222104.

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, 1935932 + ... + 1941611.

It is an arithmetic number, because the mean of its divisors is an integer number (785202660).

Almost surely, 2^11012222120 is an apocalyptic number.

11012222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012222120 is an abundant number, since it is smaller than the sum of its proper divisors (14114263000).

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

11012222120 is a wasteful number, since it uses less digits than its factorization.

11012222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877625 (or 3877621 counting only the distinct ones).

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

Adding to 11012222120 its reverse (2122221011), we get a palindrome (13134443131).

The spelling of 11012222120 in words is "eleven billion, twelve million, two hundred twenty-two thousand, one hundred twenty".