1021102002212 has 6 divisors (see below), whose sum is σ = 1786928503878. Its totient is φ = 510551001104.

The previous prime is 1021102002209. The next prime is 1021102002247. The reversal of 1021102002212 is 2122002011201.

It can be written as a sum of positive squares in only one way, i.e., 865506466276 + 155595535936 = 930326^2 + 394456^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127637750273 + ... + 127637750280.

It is an arithmetic number, because the mean of its divisors is an integer number (297821417313).

Almost surely, 2^{1021102002212} is an apocalyptic number.

It is an amenable number.

1021102002212 is a deficient number, since it is larger than the sum of its proper divisors (765826501666).

1021102002212 is a wasteful number, since it uses less digits than its factorization.

1021102002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255275500557 (or 255275500555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021102002212 its reverse (2122002011201), we get a palindrome (3143104013413).

The spelling of 1021102002212 in words is "one trillion, twenty-one billion, one hundred two million, two thousand, two hundred twelve".