101221303133 has 16 divisors (see below), whose sum is σ = 107747989440. Its totient is φ = 94816396800.

The previous prime is 101221303121. The next prime is 101221303153. The reversal of 101221303133 is 331303122101.

It is a cyclic number.

It is not a de Polignac number, because 101221303133 - 2¹⁶ = 101221237597 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 (101221303153) 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 15 ways as a sum of consecutive naturals, for example, 1985543 + ... + 2035883.

It is an arithmetic number, because the mean of its divisors is an integer number (6734249340).

Almost surely, 2^101221303133 is an apocalyptic number.

It is an amenable number.

101221303133 is a deficient number, since it is larger than the sum of its proper divisors (6526686307).

101221303133 is a wasteful number, since it uses less digits than its factorization.

101221303133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51548.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 101221303133 its reverse (331303122101), we get a palindrome (432524425234).

The spelling of 101221303133 in words is "one hundred one billion, two hundred twenty-one million, three hundred three thousand, one hundred thirty-three".