1101022212220 has 48 divisors (see below), whose sum is σ = 2733572399040. Its totient is φ = 364476317184.

The previous prime is 1101022212209. The next prime is 1101022212221. The reversal of 1101022212220 is 222122201011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101022212194 and 1101022212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101022212221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135589809 + ... + 135597928.

It is an arithmetic number, because the mean of its divisors is an integer number (56949424980).

Almost surely, 2^{1101022212220} is an apocalyptic number.

1101022212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101022212220 is an abundant number, since it is smaller than the sum of its proper divisors (1632550186820).

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

1101022212220 is a wasteful number, since it uses less digits than its factorization.

1101022212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271187782 (or 271187780 counting only the distinct ones).

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

Adding to 1101022212220 its reverse (222122201011), we get a palindrome (1323144413231).

The spelling of 1101022212220 in words is "one trillion, one hundred one billion, twenty-two million, two hundred twelve thousand, two hundred twenty".