221202222110101 has 4 divisors (see below), whose sum is σ = 221202338292832. Its totient is φ = 221202105927372.

The previous prime is 221202222110033. The next prime is 221202222110119. The reversal of 221202222110101 is 101011222202122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221202222110101 - 2¹³ = 221202222101909 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 (221202222110501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55187091 + ... + 59059456.

It is an arithmetic number, because the mean of its divisors is an integer number (55300584573208).

Almost surely, 2^{221202222110101} is an apocalyptic number.

It is an amenable number.

221202222110101 is a deficient number, since it is larger than the sum of its proper divisors (116182731).

221202222110101 is a wasteful number, since it uses less digits than its factorization.

221202222110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116182730.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221202222110101 its reverse (101011222202122), we get a palindrome (322213444312223).

The spelling of 221202222110101 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred twenty-two million, one hundred ten thousand, one hundred one".