1021110212 has 12 divisors (see below), whose sum is σ = 1787613996. Its totient is φ = 510363360.

The previous prime is 1021110199. The next prime is 1021110221. The reversal of 1021110212 is 2120111201.

It can be written as a sum of positive squares in 2 ways, for example, as 242923396 + 778186816 = 15586^2 + 27896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021110193 and 1021110202.

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, 35603 + ... + 57530.

It is an arithmetic number, because the mean of its divisors is an integer number (148967833).

Almost surely, 2^1021110212 is an apocalyptic number.

It is an amenable number.

1021110212 is a deficient number, since it is larger than the sum of its proper divisors (766503784).

1021110212 is a wasteful number, since it uses less digits than its factorization.

1021110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95878 (or 95876 counting only the distinct ones).

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

The square root of 1021110212 is about 31954.8151614119. The cubic root of 1021110212 is about 1006.9877943275.

Adding to 1021110212 its reverse (2120111201), we get a palindrome (3141221413).

The spelling of 1021110212 in words is "one billion, twenty-one million, one hundred ten thousand, two hundred twelve".