20100122212141 has 2 divisors, whose sum is σ = 20100122212142. Its totient is φ = 20100122212140.

The previous prime is 20100122212099. The next prime is 20100122212147. The reversal of 20100122212141 is 14121222100102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12279452682025 + 7820669530116 = 3504205^2 + 2796546^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100122212141 - 2¹³ = 20100122203949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100122212147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050061106070 + 10050061106071.

It is an arithmetic number, because the mean of its divisors is an integer number (10050061106071).

Almost surely, 2^{20100122212141} is an apocalyptic number.

It is an amenable number.

20100122212141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100122212141 is an equidigital number, since it uses as much as digits as its factorization.

20100122212141 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20100122212141 its reverse (14121222100102), we get a palindrome (34221344312243).

The spelling of 20100122212141 in words is "twenty trillion, one hundred billion, one hundred twenty-two million, two hundred twelve thousand, one hundred forty-one".