1101122212 has 12 divisors (see below), whose sum is σ = 1931258700. Its totient is φ = 549334016.

The previous prime is 1101122167. The next prime is 1101122237. The reversal of 1101122212 is 2122211011.

It can be written as a sum of positive squares in 2 ways, for example, as 927567936 + 173554276 = 30456^2 + 13174^2 .

It is a super-3 number, since 3×1101122212³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101122192 and 1101122201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304753 + ... + 308344.

It is an arithmetic number, because the mean of its divisors is an integer number (160938225).

Almost surely, 2^1101122212 is an apocalyptic number.

It is an amenable number.

1101122212 is a deficient number, since it is larger than the sum of its proper divisors (830136488).

1101122212 is a wasteful number, since it uses less digits than its factorization.

1101122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613550 (or 613548 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1101122212 is about 33183.1615733040. The cubic root of 1101122212 is about 1032.6310377027.

Adding to 1101122212 its reverse (2122211011), we get a palindrome (3223333223).

The spelling of 1101122212 in words is "one billion, one hundred one million, one hundred twenty-two thousand, two hundred twelve".