1010321322221 has 8 divisors (see below), whose sum is σ = 1089935988984. Its totient is φ = 932949322240.

The previous prime is 1010321322217. The next prime is 1010321322223. The reversal of 1010321322221 is 1222231230101.

It can be written as a sum of positive squares in 4 ways, for example, as 708645759721 + 301675562500 = 841811^2 + 549250^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1010321322221 - 2² = 1010321322217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010321322193 and 1010321322202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010321322223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560665760 + ... + 560667561.

It is an arithmetic number, because the mean of its divisors is an integer number (136241998623).

Almost surely, 2^{1010321322221} is an apocalyptic number.

It is an amenable number.

1010321322221 is a deficient number, since it is larger than the sum of its proper divisors (79614666763).

1010321322221 is a wasteful number, since it uses less digits than its factorization.

1010321322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121333391.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1010321322221 its reverse (1222231230101), we get a palindrome (2232552552322).

The spelling of 1010321322221 in words is "one trillion, ten billion, three hundred twenty-one million, three hundred twenty-two thousand, two hundred twenty-one".