221000211012109 has 8 divisors (see below), whose sum is σ = 234000442055808. Its totient is φ = 208000004260800.

The previous prime is 221000211012067. The next prime is 221000211012127. The reversal of 221000211012109 is 901210112000122.

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 221000211012109 - 2⁴³ = 212204117989901 is a prime.

It is a super-2 number, since 2×221000211012109² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221000211012109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000211052109) 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, 14684134 + ... + 25644184.

It is an arithmetic number, because the mean of its divisors is an integer number (29250055256976).

Almost surely, 2^{221000211012109} is an apocalyptic number.

It is an amenable number.

221000211012109 is a deficient number, since it is larger than the sum of its proper divisors (13000231043699).

221000211012109 is a wasteful number, since it uses less digits than its factorization.

221000211012109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146195.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 221000211012109 in words is "two hundred twenty-one trillion, two hundred eleven million, twelve thousand, one hundred nine".