221000211022011 has 16 divisors (see below), whose sum is σ = 295482889135104. Its totient is φ = 146926031583744.

The previous prime is 221000211022001. The next prime is 221000211022039. The reversal of 221000211022011 is 110220112000122.

It is not a de Polignac number, because 221000211022011 - 2⁵ = 221000211021979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221000211022001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64340595 + ... + 67688348.

It is an arithmetic number, because the mean of its divisors is an integer number (18467680570944).

Almost surely, 2^{221000211022011} is an apocalyptic number.

221000211022011 is a deficient number, since it is larger than the sum of its proper divisors (74482678113093).

221000211022011 is a wasteful number, since it uses less digits than its factorization.

221000211022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132030490.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221000211022011 its reverse (110220112000122), we get a palindrome (331220323022133).

The spelling of 221000211022011 in words is "two hundred twenty-one trillion, two hundred eleven million, twenty-two thousand, eleven".