1101011212 has 48 divisors (see below), whose sum is σ = 2264693760. Its totient is φ = 458524800.

The previous prime is 1101011147. The next prime is 1101011227. The reversal of 1101011212 is 2121101011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309339 + ... + 312877.

It is an arithmetic number, because the mean of its divisors is an integer number (47181120).

Almost surely, 2^1101011212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132346880).

1101011212 is an abundant number, since it is smaller than the sum of its proper divisors (1163682548).

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

1101011212 is a wasteful number, since it uses less digits than its factorization.

1101011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3860 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1101011212 is about 33181.4889961255. The cubic root of 1101011212 is about 1032.5963379828.

Adding to 1101011212 its reverse (2121101011), we get a palindrome (3222112223).

It can be divided in two parts, 1101011 and 212, that multiplied together give a palindrome (233414332).

The spelling of 1101011212 in words is "one billion, one hundred one million, eleven thousand, two hundred twelve".