101002002010221 has 12 divisors (see below), whose sum is σ = 145825375684128. Its totient is φ = 62155078159824.

The previous prime is 101002002010157. The next prime is 101002002010241. The reversal of 101002002010221 is 122010200200101.

It is not a de Polignac number, because 101002002010221 - 2⁶ = 101002002010157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101002002010197 and 101002002010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002002010241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99607496545 + ... + 99607497558.

It is an arithmetic number, because the mean of its divisors is an integer number (12152114640344).

Almost surely, 2^{101002002010221} is an apocalyptic number.

It is an amenable number.

101002002010221 is a deficient number, since it is larger than the sum of its proper divisors (44823373673907).

101002002010221 is a wasteful number, since it uses less digits than its factorization.

101002002010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199214994132 (or 199214994119 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101002002010221 its reverse (122010200200101), we get a palindrome (223012202210322).

The spelling of 101002002010221 in words is "one hundred one trillion, two billion, two million, ten thousand, two hundred twenty-one".