22011210202220 has 96 divisors (see below), whose sum is σ = 47425014798336. Its totient is φ = 8576312460800.

The previous prime is 22011210202217. The next prime is 22011210202231. The reversal of 22011210202220 is 2220201211022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2385517247 + ... + 2385526473.

It is an arithmetic number, because the mean of its divisors is an integer number (494010570816).

Almost surely, 2^{22011210202220} is an apocalyptic number.

22011210202220 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 22011210202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23712507399168).

22011210202220 is an abundant number, since it is smaller than the sum of its proper divisors (25413804596116).

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

22011210202220 is a wasteful number, since it uses less digits than its factorization.

22011210202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13511 (or 13509 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22011210202220 its reverse (2220201211022), we get a palindrome (24231411413242).

The spelling of 22011210202220 in words is "twenty-two trillion, eleven billion, two hundred ten million, two hundred two thousand, two hundred twenty".