1021210222 has 8 divisors (see below), whose sum is σ = 1532399400. Its totient is φ = 510410424.

The previous prime is 1021210133. The next prime is 1021210231. The reversal of 1021210222 is 2220121201.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90697 + ... + 101332.

It is an arithmetic number, because the mean of its divisors is an integer number (191549925).

Almost surely, 2^1021210222 is an apocalyptic number.

1021210222 is a deficient number, since it is larger than the sum of its proper divisors (511189178).

1021210222 is a wasteful number, since it uses less digits than its factorization.

1021210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194690.

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

The square root of 1021210222 is about 31956.3799889787. The cubic root of 1021210222 is about 1007.0206688597.

Adding to 1021210222 its reverse (2220121201), we get a palindrome (3241331423).

The spelling of 1021210222 in words is "one billion, twenty-one million, two hundred ten thousand, two hundred twenty-two".