101202202002221 has 128 divisors (see below), whose sum is σ = 117876910694400. Its totient is φ = 86347357544448.

The previous prime is 101202202002133. The next prime is 101202202002247. The reversal of 101202202002221 is 122200202202101.

It is a happy number.

It is not a de Polignac number, because 101202202002221 - 2³⁸ = 100927324095277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 101202202002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202202002271) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19847458130 + ... + 19847463228.

It is an arithmetic number, because the mean of its divisors is an integer number (920913364800).

Almost surely, 2^{101202202002221} is an apocalyptic number.

It is an amenable number.

101202202002221 is a deficient number, since it is larger than the sum of its proper divisors (16674708692179).

101202202002221 is a wasteful number, since it uses less digits than its factorization.

101202202002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101202202002221 its reverse (122200202202101), we get a palindrome (223402404204322).

The spelling of 101202202002221 in words is "one hundred one trillion, two hundred two billion, two hundred two million, two thousand, two hundred twenty-one".