221200122210122 has 32 divisors (see below), whose sum is σ = 363965018457600. Its totient is φ = 99991038852720.

The previous prime is 221200122210047. The next prime is 221200122210143. The reversal of 221200122210122 is 221012221002122.

221200122210122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221200122210122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221200122210094 and 221200122210103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32184872 + ... + 38448227.

It is an arithmetic number, because the mean of its divisors is an integer number (11373906826800).

Almost surely, 2^{221200122210122} is an apocalyptic number.

221200122210122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221200122210122 is a deficient number, since it is larger than the sum of its proper divisors (142764896247478).

221200122210122 is a wasteful number, since it uses less digits than its factorization.

221200122210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70633898.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221200122210122 its reverse (221012221002122), we get a palindrome (442212343212244).

The spelling of 221200122210122 in words is "two hundred twenty-one trillion, two hundred billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-two".