1021322010 has 32 divisors (see below), whose sum is σ = 2580183360. Its totient is φ = 258018048.

The previous prime is 1021321967. The next prime is 1021322017. The reversal of 1021322010 is 102231201.

It is a super-2 number, since 2×1021322010² = 2086197296220880200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021322017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895327 + ... + 896466.

It is an arithmetic number, because the mean of its divisors is an integer number (80630730).

Almost surely, 2^1021322010 is an apocalyptic number.

1021322010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021322010 is an abundant number, since it is smaller than the sum of its proper divisors (1558861350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021322010 is a wasteful number, since it uses less digits than its factorization.

1021322010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791822.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1021322010 is about 31958.1290128193. The cubic root of 1021322010 is about 1007.0574124268.

Adding to 1021322010 its reverse (102231201), we get a palindrome (1123553211).

It can be divided in two parts, 10213 and 22010, that added together give a palindrome (32223).

The spelling of 1021322010 in words is "one billion, twenty-one million, three hundred twenty-two thousand, ten".