22012011120 has 160 divisors (see below), whose sum is σ = 76256619264. Its totient is φ = 5206067200.

The previous prime is 22012011083. The next prime is 22012011121. The reversal of 22012011120 is 2111021022.

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 = 22012011096 and 22012011105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012011121) 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, 6559 + ... + 209921.

Almost surely, 2^22012011120 is an apocalyptic number.

22012011120 is a gapful number since it is divisible by the number (20) 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 22012011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38128309632).

22012011120 is an abundant number, since it is smaller than the sum of its proper divisors (54244608144).

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

22012011120 is a wasteful number, since it uses less digits than its factorization.

22012011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203431 (or 203425 counting only the distinct ones).

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

Adding to 22012011120 its reverse (2111021022), we get a palindrome (24123032142).

The spelling of 22012011120 in words is "twenty-two billion, twelve million, eleven thousand, one hundred twenty".