220222121112100 has 72 divisors (see below), whose sum is σ = 478839480936768. Its totient is φ = 87912477494400.

The previous prime is 220222121112079. The next prime is 220222121112107. The reversal of 220222121112100 is 1211121222022.

It is a super-2 number, since 2×220222121112100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220222121112107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143073585 + ... + 144604615.

It is an arithmetic number, because the mean of its divisors is an integer number (6650548346344).

Almost surely, 2^{220222121112100} is an apocalyptic number.

220222121112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222121112100 is an abundant number, since it is smaller than the sum of its proper divisors (258617359824668).

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

220222121112100 is a wasteful number, since it uses less digits than its factorization.

220222121112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533925 (or 1533918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220222121112100 its reverse (1211121222022), we get a palindrome (221433242334122).

The spelling of 220222121112100 in words is "two hundred twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred".