101010002020221 has 16 divisors (see below), whose sum is σ = 154000463151744. Its totient is φ = 57689828626944.

The previous prime is 101010002020157. The next prime is 101010002020253. The reversal of 101010002020221 is 122020200010101.

It is not a de Polignac number, because 101010002020221 - 2⁶ = 101010002020157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101010002020197 and 101010002020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010002020321) 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, 1257147516 + ... + 1257227861.

It is an arithmetic number, because the mean of its divisors is an integer number (9625028946984).

Almost surely, 2^{101010002020221} is an apocalyptic number.

It is an amenable number.

101010002020221 is a deficient number, since it is larger than the sum of its proper divisors (52990461131523).

101010002020221 is a wasteful number, since it uses less digits than its factorization.

101010002020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514377300.

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

Adding to 101010002020221 its reverse (122020200010101), we get a palindrome (223030202030322).

The spelling of 101010002020221 in words is "one hundred one trillion, ten billion, two million, twenty thousand, two hundred twenty-one".