220001102201122 has 24 divisors (see below), whose sum is σ = 369573035108508. Its totient is φ = 98113699089120.

The previous prime is 220001102201087. The next prime is 220001102201129. The reversal of 220001102201122 is 221102201100022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219351532291441 + 649569909681 = 14810521^2 + 805959^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220001102201096 and 220001102201105.

It is not an unprimeable number, because it can be changed into a prime (220001102201129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8576359473 + ... + 8576385124.

Almost surely, 2^{220001102201122} is an apocalyptic number.

220001102201122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220001102201122 is a deficient number, since it is larger than the sum of its proper divisors (149571932907386).

220001102201122 is a wasteful number, since it uses less digits than its factorization.

220001102201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17152744674 (or 17152744663 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220001102201122 its reverse (221102201100022), we get a palindrome (441103303301144).

The spelling of 220001102201122 in words is "two hundred twenty trillion, one billion, one hundred two million, two hundred one thousand, one hundred twenty-two".