22011010122220 has 96 divisors (see below), whose sum is σ = 54117404159616. Its totient is φ = 7362223564800.

The previous prime is 22011010122217. The next prime is 22011010122223. The reversal of 22011010122220 is 2222101011022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22011010122217) and next prime (22011010122223).

It is a junction number, because it is equal to n+sod(n) for n = 22011010122194 and 22011010122203.

It is not an unprimeable number, because it can be changed into a prime (22011010122223) 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, 142395294 + ... + 142549786.

It is an arithmetic number, because the mean of its divisors is an integer number (563722959996).

Almost surely, 2^{22011010122220} is an apocalyptic number.

22011010122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011010122220 is an abundant number, since it is smaller than the sum of its proper divisors (32106394037396).

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

22011010122220 is a wasteful number, since it uses less digits than its factorization.

22011010122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179371 (or 179369 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22011010122220 its reverse (2222101011022), we get a palindrome (24233111133242).

The spelling of 22011010122220 in words is "twenty-two trillion, eleven billion, ten million, one hundred twenty-two thousand, two hundred twenty".