101202231221 has 16 divisors (see below), whose sum is σ = 126415653504. Its totient is φ = 78876984384.

The previous prime is 101202231217. The next prime is 101202231227. The reversal of 101202231221 is 122132202101.

It is a cyclic number.

It is not a de Polignac number, because 101202231221 - 2² = 101202231217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101202231221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202231227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8293250 + ... + 8305443.

It is an arithmetic number, because the mean of its divisors is an integer number (7900978344).

Almost surely, 2^101202231221 is an apocalyptic number.

It is an amenable number.

101202231221 is a deficient number, since it is larger than the sum of its proper divisors (25213422283).

101202231221 is a wasteful number, since it uses less digits than its factorization.

101202231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16598780.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101202231221 its reverse (122132202101), we get a palindrome (223334433322).

The spelling of 101202231221 in words is "one hundred one billion, two hundred two million, two hundred thirty-one thousand, two hundred twenty-one".