1020121121153 has 2 divisors, whose sum is σ = 1020121121154. Its totient is φ = 1020121121152.

The previous prime is 1020121121101. The next prime is 1020121121167. The reversal of 1020121121153 is 3511211210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632419381504 + 387701739649 = 795248^2 + 622657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020121121153 - 2¹⁰ = 1020121120129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020121120153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510060560576 + 510060560577.

It is an arithmetic number, because the mean of its divisors is an integer number (510060560577).

Almost surely, 2^{1020121121153} is an apocalyptic number.

It is an amenable number.

1020121121153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020121121153 is an equidigital number, since it uses as much as digits as its factorization.

1020121121153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 1020121121153 its reverse (3511211210201), we get a palindrome (4531332331354).

The spelling of 1020121121153 in words is "one trillion, twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred fifty-three".