101002011202221 has 32 divisors (see below), whose sum is σ = 139205968991232. Its totient is φ = 65098904532480.

The previous prime is 101002011202187. The next prime is 101002011202357. The reversal of 101002011202221 is 122202110200101.

It is not a de Polignac number, because 101002011202221 - 2¹⁷ = 101002011071149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101002011202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002011203221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25823826 + ... + 29476668.

It is an arithmetic number, because the mean of its divisors is an integer number (4350186530976).

Almost surely, 2^{101002011202221} is an apocalyptic number.

It is an amenable number.

101002011202221 is a deficient number, since it is larger than the sum of its proper divisors (38203957789011).

101002011202221 is a wasteful number, since it uses less digits than its factorization.

101002011202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655073.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101002011202221 its reverse (122202110200101), we get a palindrome (223204121402322).

The spelling of 101002011202221 in words is "one hundred one trillion, two billion, eleven million, two hundred two thousand, two hundred twenty-one".