22201021102220 has 24 divisors (see below), whose sum is σ = 46647718798464. Its totient is φ = 8875537110656.

The previous prime is 22201021102201. The next prime is 22201021102313. The reversal of 22201021102220 is 2220112010222.

It is a happy number.

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, 304420769 + ... + 304493688.

It is an arithmetic number, because the mean of its divisors is an integer number (1943654949936).

Almost surely, 2^{22201021102220} is an apocalyptic number.

22201021102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201021102220 is an abundant number, since it is smaller than the sum of its proper divisors (24446697696244).

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

22201021102220 is a wasteful number, since it uses less digits than its factorization.

22201021102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608916289 (or 608916287 counting only the distinct ones).

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

Adding to 22201021102220 its reverse (2220112010222), we get a palindrome (24421133112442).

The spelling of 22201021102220 in words is "twenty-two trillion, two hundred one billion, twenty-one million, one hundred two thousand, two hundred twenty".