220221202101 has 8 divisors (see below), whose sum is σ = 298441847904. Its totient is φ = 144407345520.

The previous prime is 220221202099. The next prime is 220221202127. The reversal of 220221202101 is 101202122022.

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

It is not a de Polignac number, because 220221202101 - 2¹ = 220221202099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221202801) 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, 601697091 + ... + 601697456.

It is an arithmetic number, because the mean of its divisors is an integer number (37305230988).

Almost surely, 2^220221202101 is an apocalyptic number.

It is an amenable number.

220221202101 is a deficient number, since it is larger than the sum of its proper divisors (78220645803).

220221202101 is a wasteful number, since it uses less digits than its factorization.

220221202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203394611.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220221202101 its reverse (101202122022), we get a palindrome (321423324123).

The spelling of 220221202101 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred two thousand, one hundred one".