220121200012141 has 2 divisors, whose sum is σ = 220121200012142. Its totient is φ = 220121200012140.

The previous prime is 220121200012097. The next prime is 220121200012183. The reversal of 220121200012141 is 141210002121022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215299570148100 + 4821629864041 = 14673090^2 + 2195821^2 .

It is a cyclic number.

It is not a de Polignac number, because 220121200012141 - 2¹³ = 220121200003949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220121200012841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060600006070 + 110060600006071.

It is an arithmetic number, because the mean of its divisors is an integer number (110060600006071).

Almost surely, 2^{220121200012141} is an apocalyptic number.

It is an amenable number.

220121200012141 is a deficient number, since it is larger than the sum of its proper divisors (1).

220121200012141 is an equidigital number, since it uses as much as digits as its factorization.

220121200012141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220121200012141 its reverse (141210002121022), we get a palindrome (361331202133163).

The spelling of 220121200012141 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred million, twelve thousand, one hundred forty-one".