10120110204121 has 2 divisors, whose sum is σ = 10120110204122. Its totient is φ = 10120110204120.

The previous prime is 10120110204101. The next prime is 10120110204143. The reversal of 10120110204121 is 12140201102101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6656714763721 + 3463395440400 = 2580061^2 + 1861020^2 .

It is an emirp because it is prime and its reverse (12140201102101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10120110204121 - 2¹⁹ = 10120109679833 is a prime.

It is a super-3 number, since 3×10120110204121³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10120110204095 and 10120110204104.

It is not a weakly prime, because it can be changed into another prime (10120110204101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060055102060 + 5060055102061.

It is an arithmetic number, because the mean of its divisors is an integer number (5060055102061).

Almost surely, 2^{10120110204121} is an apocalyptic number.

It is an amenable number.

10120110204121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120110204121 is an equidigital number, since it uses as much as digits as its factorization.

10120110204121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10120110204121 its reverse (12140201102101), we get a palindrome (22260311306222).

The spelling of 10120110204121 in words is "ten trillion, one hundred twenty billion, one hundred ten million, two hundred four thousand, one hundred twenty-one".