1021213202 has 8 divisors (see below), whose sum is σ = 1598420736. Its totient is φ = 488406292.

The previous prime is 1021213111. The next prime is 1021213247. The reversal of 1021213202 is 2023121201.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11100098 + ... + 11100189.

It is an arithmetic number, because the mean of its divisors is an integer number (199802592).

Almost surely, 2^1021213202 is an apocalyptic number.

1021213202 is a deficient number, since it is larger than the sum of its proper divisors (577207534).

1021213202 is a wasteful number, since it uses less digits than its factorization.

1021213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22200312.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1021213202 is about 31956.4266150019. The cubic root of 1021213202 is about 1007.0216483898.

Adding to 1021213202 its reverse (2023121201), we get a palindrome (3044334403).

The spelling of 1021213202 in words is "one billion, twenty-one million, two hundred thirteen thousand, two hundred two".