221022201101011 has 32 divisors (see below), whose sum is σ = 235596861480960. Its totient is φ = 206755517951136.

The previous prime is 221022201100979. The next prime is 221022201101033. The reversal of 221022201101011 is 110101102220122.

221022201101011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221022201101011 - 2⁵ = 221022201100979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221022201101311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 853610610 + ... + 853869496.

It is an arithmetic number, because the mean of its divisors is an integer number (7362401921280).

Almost surely, 2^{221022201101011} is an apocalyptic number.

221022201101011 is a deficient number, since it is larger than the sum of its proper divisors (14574660379949).

221022201101011 is a wasteful number, since it uses less digits than its factorization.

221022201101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260383.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221022201101011 its reverse (110101102220122), we get a palindrome (331123303321133).

The spelling of 221022201101011 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred one million, one hundred one thousand, eleven".