220121200212103 has 2 divisors, whose sum is σ = 220121200212104. Its totient is φ = 220121200212102.

The previous prime is 220121200212097. The next prime is 220121200212131. The reversal of 220121200212103 is 301212002121022.

220121200212103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220121200212103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220121200212143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060600106051 + 110060600106052.

It is an arithmetic number, because the mean of its divisors is an integer number (110060600106052).

Almost surely, 2^{220121200212103} is an apocalyptic number.

220121200212103 is a deficient number, since it is larger than the sum of its proper divisors (1).

220121200212103 is an equidigital number, since it uses as much as digits as its factorization.

220121200212103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220121200212103 its reverse (301212002121022), we get a palindrome (521333202333125).

The spelling of 220121200212103 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred million, two hundred twelve thousand, one hundred three".