220001022201111 has 64 divisors (see below), whose sum is σ = 310063599992832. Its totient is φ = 138568320000000.

The previous prime is 220001022201097. The next prime is 220001022201133. The reversal of 220001022201111 is 111102220100022.

It is not a de Polignac number, because 220001022201111 - 2⁹ = 220001022200599 is a prime.

It is a super-2 number, since 2×220001022201111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001022201161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1222131111 + ... + 1222311111.

It is an arithmetic number, because the mean of its divisors is an integer number (4844743749888).

Almost surely, 2^{220001022201111} is an apocalyptic number.

220001022201111 is a deficient number, since it is larger than the sum of its proper divisors (90062577791721).

220001022201111 is a wasteful number, since it uses less digits than its factorization.

220001022201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181344.

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

Adding to 220001022201111 its reverse (111102220100022), we get a palindrome (331103242301133).

The spelling of 220001022201111 in words is "two hundred twenty trillion, one billion, twenty-two million, two hundred one thousand, one hundred eleven".