102011033221 has 32 divisors (see below), whose sum is σ = 114525895680. Its totient is φ = 90400665600.

The previous prime is 102011033207. The next prime is 102011033233. The reversal of 102011033221 is 122330110201.

It is a cyclic number.

It is not a de Polignac number, because 102011033221 - 2¹³ = 102011025029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011033195 and 102011033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011030221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8182825 + ... + 8195281.

It is an arithmetic number, because the mean of its divisors is an integer number (3578934240).

Almost surely, 2^102011033221 is an apocalyptic number.

It is an amenable number.

102011033221 is a deficient number, since it is larger than the sum of its proper divisors (12514862459).

102011033221 is a wasteful number, since it uses less digits than its factorization.

102011033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12925.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102011033221 its reverse (122330110201), we get a palindrome (224341143422).

The spelling of 102011033221 in words is "one hundred two billion, eleven million, thirty-three thousand, two hundred twenty-one".