221230020311122 has 16 divisors (see below), whose sum is σ = 333021120481440. Its totient is φ = 110222988350112.

The previous prime is 221230020311087. The next prime is 221230020311137. The reversal of 221230020311122 is 221113020032122.

It is a junction number, because it is equal to n+sod(n) for n = 221230020311093 and 221230020311102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53282029 + ... + 57283807.

It is an arithmetic number, because the mean of its divisors is an integer number (20813820030090).

Almost surely, 2^{221230020311122} is an apocalyptic number.

221230020311122 is a deficient number, since it is larger than the sum of its proper divisors (111791100170318).

221230020311122 is a wasteful number, since it uses less digits than its factorization.

221230020311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099737.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221230020311122 its reverse (221113020032122), we get a palindrome (442343040343244).

The spelling of 221230020311122 in words is "two hundred twenty-one trillion, two hundred thirty billion, twenty million, three hundred eleven thousand, one hundred twenty-two".