1100212212020 has 24 divisors (see below), whose sum is σ = 2310648918984. Its totient is φ = 440046166016.

The previous prime is 1100212211867. The next prime is 1100212212061. The reversal of 1100212212020 is 202122120011.

It can be written as a sum of positive squares in 4 ways, for example, as 345965123344 + 754247088676 = 588188^2 + 868474^2 .

It is a super-2 number, since 2×1100212212020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100212211986 and 1100212212004.

It is a congruent 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, 2186369 + ... + 2642088.

It is an arithmetic number, because the mean of its divisors is an integer number (96277038291).

Almost surely, 2^{1100212212020} is an apocalyptic number.

1100212212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100212212020 is an abundant number, since it is smaller than the sum of its proper divisors (1210436706964).

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

1100212212020 is a wasteful number, since it uses less digits than its factorization.

1100212212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839859 (or 4839857 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1100212212020 its reverse (202122120011), we get a palindrome (1302334332031).

The spelling of 1100212212020 in words is "one trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, twenty".