221002011110101 has 8 divisors (see below), whose sum is σ = 238040264532224. Its totient is φ = 203969200362480.

The previous prime is 221002011110093. The next prime is 221002011110107. The reversal of 221002011110101 is 101011110200122.

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 221002011110101 - 2³ = 221002011110093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002011110107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360584285 + ... + 1360746706.

It is an arithmetic number, because the mean of its divisors is an integer number (29755033066528).

Almost surely, 2^{221002011110101} is an apocalyptic number.

It is an amenable number.

221002011110101 is a deficient number, since it is larger than the sum of its proper divisors (17038253422123).

221002011110101 is a wasteful number, since it uses less digits than its factorization.

221002011110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721337251.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221002011110101 its reverse (101011110200122), we get a palindrome (322013121310223).

The spelling of 221002011110101 in words is "two hundred twenty-one trillion, two billion, eleven million, one hundred ten thousand, one hundred one".