221002220120101 has 8 divisors (see below), whose sum is σ = 252575195664704. Its totient is φ = 189429552028800.

The previous prime is 221002220120057. The next prime is 221002220120107. The reversal of 221002220120101 is 101021022200122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221002220120101 - 2¹⁵ = 221002220087333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002220120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75320940 + ... + 78200053.

It is an arithmetic number, because the mean of its divisors is an integer number (31571899458088).

Almost surely, 2^{221002220120101} is an apocalyptic number.

It is an amenable number.

221002220120101 is a deficient number, since it is larger than the sum of its proper divisors (31572975544603).

221002220120101 is a wasteful number, since it uses less digits than its factorization.

221002220120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153726651.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221002220120101 its reverse (101021022200122), we get a palindrome (322023242320223).

The spelling of 221002220120101 in words is "two hundred twenty-one trillion, two billion, two hundred twenty million, one hundred twenty thousand, one hundred one".