10221021033311 has 8 divisors (see below), whose sum is σ = 11150251405824. Its totient is φ = 9291798434520.

The previous prime is 10221021033299. The next prime is 10221021033317. The reversal of 10221021033311 is 11333012012201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221021033311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221021033317) 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, 999506 + ... + 4630448.

It is an arithmetic number, because the mean of its divisors is an integer number (1393781425728).

Almost surely, 2^{10221021033311} is an apocalyptic number.

10221021033311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221021033311 is a deficient number, since it is larger than the sum of its proper divisors (929230372513).

10221021033311 is a wasteful number, since it uses less digits than its factorization.

10221021033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886861.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10221021033311 its reverse (11333012012201), we get a palindrome (21554033045512).

The spelling of 10221021033311 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, thirty-three thousand, three hundred eleven".