1021110002212 has 6 divisors (see below), whose sum is σ = 1786942503878. Its totient is φ = 510555001104.

The previous prime is 1021110002203. The next prime is 1021110002251. The reversal of 1021110002212 is 2122000111201.

It can be written as a sum of positive squares in only one way, i.e., 825724785636 + 195385216576 = 908694^2 + 442024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021110002192 and 1021110002201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127638750273 + ... + 127638750280.

Almost surely, 2^{1021110002212} is an apocalyptic number.

It is an amenable number.

1021110002212 is a deficient number, since it is larger than the sum of its proper divisors (765832501666).

1021110002212 is a wasteful number, since it uses less digits than its factorization.

1021110002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255277500557 (or 255277500555 counting only the distinct ones).

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

Adding to 1021110002212 its reverse (2122000111201), we get a palindrome (3143110113413).

The spelling of 1021110002212 in words is "one trillion, twenty-one billion, one hundred ten million, two thousand, two hundred twelve".