101010021002221 has 16 divisors (see below), whose sum is σ = 102247878942720. Its totient is φ = 99781410331120.

The previous prime is 101010021002129. The next prime is 101010021002257. The reversal of 101010021002221 is 122200120010101.

It is a cyclic number.

It is not a de Polignac number, because 101010021002221 - 2²¹ = 101010018905069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010021002291) 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 15 ways as a sum of consecutive naturals, for example, 17020140 + ... + 22174426.

It is an arithmetic number, because the mean of its divisors is an integer number (6390492433920).

Almost surely, 2^{101010021002221} is an apocalyptic number.

It is an amenable number.

101010021002221 is a deficient number, since it is larger than the sum of its proper divisors (1237857940499).

101010021002221 is a wasteful number, since it uses less digits than its factorization.

101010021002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155184.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101010021002221 its reverse (122200120010101), we get a palindrome (223210141012322).

The spelling of 101010021002221 in words is "one hundred one trillion, ten billion, twenty-one million, two thousand, two hundred twenty-one".