101202002201221 has 16 divisors (see below), whose sum is σ = 113345675201664. Its totient is φ = 89859634343424.

The previous prime is 101202002201171. The next prime is 101202002201231. The reversal of 101202002201221 is 122102200202101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101202002201221 - 2⁹ = 101202002200709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101202002201195 and 101202002201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202002201231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1772770431 + ... + 1772827516.

It is an arithmetic number, because the mean of its divisors is an integer number (7084104700104).

Almost surely, 2^{101202002201221} is an apocalyptic number.

It is an amenable number.

101202002201221 is a deficient number, since it is larger than the sum of its proper divisors (12143673000443).

101202002201221 is a wasteful number, since it uses less digits than its factorization.

101202002201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545598060.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101202002201221 its reverse (122102200202101), we get a palindrome (223304202403322).

The spelling of 101202002201221 in words is "one hundred one trillion, two hundred two billion, two million, two hundred one thousand, two hundred twenty-one".