1101222212020 has 24 divisors (see below), whose sum is σ = 2642933309184. Its totient is φ = 377561901216.

The previous prime is 1101222212017. The next prime is 1101222212171. The reversal of 1101222212020 is 202122221011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101222211985 and 1101222212003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3932936332 + ... + 3932936611.

It is an arithmetic number, because the mean of its divisors is an integer number (110122221216).

Almost surely, 2^{1101222212020} is an apocalyptic number.

1101222212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101222212020 is an abundant number, since it is smaller than the sum of its proper divisors (1541711097164).

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

1101222212020 is a wasteful number, since it uses less digits than its factorization.

1101222212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865872959 (or 7865872957 counting only the distinct ones).

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

Adding to 1101222212020 its reverse (202122221011), we get a palindrome (1303344433031).

The spelling of 1101222212020 in words is "one trillion, one hundred one billion, two hundred twenty-two million, two hundred twelve thousand, twenty".