102221220012011 has 8 divisors (see below), whose sum is σ = 108234633830400. Its totient is φ = 96207850735488.

The previous prime is 102221220012007. The next prime is 102221220012013. The reversal of 102221220012011 is 110210022122201.

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 102221220012011 - 2² = 102221220012007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221220012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6351851 + ... + 15645716.

It is an arithmetic number, because the mean of its divisors is an integer number (13529329228800).

Almost surely, 2^{102221220012011} is an apocalyptic number.

102221220012011 is a deficient number, since it is larger than the sum of its proper divisors (6013413818389).

102221220012011 is a wasteful number, since it uses less digits than its factorization.

102221220012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22270933.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102221220012011 its reverse (110210022122201), we get a palindrome (212431242134212).

The spelling of 102221220012011 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty million, twelve thousand, eleven".