221000020106 has 8 divisors (see below), whose sum is σ = 331709977920. Its totient is φ = 110430027468.

The previous prime is 221000020103. The next prime is 221000020123. The reversal of 221000020106 is 601020000122.

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

It is not an unprimeable number, because it can be changed into a prime (221000020103) 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, 34987346 + ... + 34993661.

It is an arithmetic number, because the mean of its divisors is an integer number (41463747240).

Almost surely, 2^221000020106 is an apocalyptic number.

221000020106 is a deficient number, since it is larger than the sum of its proper divisors (110709957814).

221000020106 is a wasteful number, since it uses less digits than its factorization.

221000020106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69982588.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 221000020106 its reverse (601020000122), we get a palindrome (822020020228).

The spelling of 221000020106 in words is "two hundred twenty-one billion, twenty thousand, one hundred six".