22001011120 has 40 divisors (see below), whose sum is σ = 55802566800. Its totient is φ = 8000367360.

The previous prime is 22001011117. The next prime is 22001011121. The reversal of 22001011120 is 2111010022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22001011097 and 22001011106.

It is not an unprimeable number, because it can be changed into a prime (22001011121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12499695 + ... + 12501454.

It is an arithmetic number, because the mean of its divisors is an integer number (1395064170).

Almost surely, 2^22001011120 is an apocalyptic number.

22001011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001011120 is an abundant number, since it is smaller than the sum of its proper divisors (33801555680).

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

22001011120 is a wasteful number, since it uses less digits than its factorization.

22001011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25001173 (or 25001167 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22001011120 its reverse (2111010022), we get a palindrome (24112021142).

The spelling of 22001011120 in words is "twenty-two billion, one million, eleven thousand, one hundred twenty".