1021012222 has 8 divisors (see below), whose sum is σ = 1584329400. Its totient is φ = 492902424.

The previous prime is 1021012207. The next prime is 1021012229. The reversal of 1021012222 is 2222101201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021012229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8801772 + ... + 8801887.

It is an arithmetic number, because the mean of its divisors is an integer number (198041175).

Almost surely, 2^1021012222 is an apocalyptic number.

1021012222 is a deficient number, since it is larger than the sum of its proper divisors (563317178).

1021012222 is a wasteful number, since it uses less digits than its factorization.

1021012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603690.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1021012222 is about 31953.2818658741. The cubic root of 1021012222 is about 1006.9555817124.

Adding to 1021012222 its reverse (2222101201), we get a palindrome (3243113423).

The spelling of 1021012222 in words is "one billion, twenty-one million, twelve thousand, two hundred twenty-two".