1110021212 has 6 divisors (see below), whose sum is σ = 1942537128. Its totient is φ = 555010604.

The previous prime is 1110021191. The next prime is 1110021217. The reversal of 1110021212 is 2121200111.

It is a junction number, because it is equal to n+sod(n) for n = 1110021193 and 1110021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110021217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138752648 + ... + 138752655.

It is an arithmetic number, because the mean of its divisors is an integer number (323756188).

Almost surely, 2^1110021212 is an apocalyptic number.

It is an amenable number.

1110021212 is a deficient number, since it is larger than the sum of its proper divisors (832515916).

1110021212 is a wasteful number, since it uses less digits than its factorization.

1110021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277505307 (or 277505305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1110021212 is about 33316.9808356039. The cubic root of 1110021212 is about 1035.4054008657.

Adding to 1110021212 its reverse (2121200111), we get a palindrome (3231221323).

The spelling of 1110021212 in words is "one billion, one hundred ten million, twenty-one thousand, two hundred twelve".