1110200022121 has 2 divisors, whose sum is σ = 1110200022122.
Its totient is φ = 1110200022120.
The previous prime is 1110200022013. The next prime is 1110200022131. The reversal of 1110200022121 is 1212200020111.
Adding to 1110200022121 its reverse (1212200020111), we get a palindrome (2322400042232).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1109997102096 + 202920025 = 1053564^2 + 14245^2
It is a cyclic number.
It is not a de Polignac number, because 1110200022121 - 27 = 1110200021993 is a prime.
It is not a weakly prime, because it can be changed into another prime (1110200022131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555100011060 + 555100011061.
It is an arithmetic number, because the mean of its divisors is an integer number (555100011061).
Almost surely, 21110200022121 is an apocalyptic number.
It is an amenable number.
1110200022121 is a deficient number, since it is larger than the sum of its proper divisors (1).
1110200022121 is an equidigital number, since it uses as much as digits as its factorization.
1110200022121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16, while the sum is 13.
The spelling of 1110200022121 in words is "one trillion, one hundred ten billion, two hundred million, twenty-two thousand, one hundred twenty-one".