1021221334 has 16 divisors (see below), whose sum is σ = 1751500800. Its totient is φ = 437457384.

The previous prime is 1021221301. The next prime is 1021221371. The reversal of 1021221334 is 4331221201.

It is a happy number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 15057 + ... + 47635.

It is an arithmetic number, because the mean of its divisors is an integer number (109468800).

Almost surely, 2^1021221334 is an apocalyptic number.

1021221334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1021221334 is a deficient number, since it is larger than the sum of its proper divisors (730279466).

1021221334 is a wasteful number, since it uses less digits than its factorization.

1021221334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34827.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1021221334 is about 31956.5538505015. The cubic root of 1021221334 is about 1007.0243213799.

Adding to 1021221334 its reverse (4331221201), we get a palindrome (5352442535).

The spelling of 1021221334 in words is "one billion, twenty-one million, two hundred twenty-one thousand, three hundred thirty-four".