1021312222204 has 12 divisors (see below), whose sum is σ = 1828861421464. Its totient is φ = 498780387504.

The previous prime is 1021312222193. The next prime is 1021312222253. The reversal of 1021312222204 is 4022222131201.

It is a congruent number.

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, 2968930707 + ... + 2968931050.

Almost surely, 2^{1021312222204} is an apocalyptic number.

It is an amenable number.

1021312222204 is a deficient number, since it is larger than the sum of its proper divisors (807549199260).

1021312222204 is a wasteful number, since it uses less digits than its factorization.

1021312222204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937861804 (or 5937861802 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1021312222204 its reverse (4022222131201), we get a palindrome (5043534353405).

The spelling of 1021312222204 in words is "one trillion, twenty-one billion, three hundred twelve million, two hundred twenty-two thousand, two hundred four".