1021120220093 has 2 divisors, whose sum is σ = 1021120220094. Its totient is φ = 1021120220092.

The previous prime is 1021120220051. The next prime is 1021120220129. The reversal of 1021120220093 is 3900220211201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1013571738169 + 7548481924 = 1006763^2 + 86882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021120220093 - 2²⁸ = 1020851784637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021120220893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510560110046 + 510560110047.

It is an arithmetic number, because the mean of its divisors is an integer number (510560110047).

Almost surely, 2^{1021120220093} is an apocalyptic number.

It is an amenable number.

1021120220093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021120220093 is an equidigital number, since it uses as much as digits as its factorization.

1021120220093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1021120220093 its reverse (3900220211201), we get a palindrome (4921340431294).

The spelling of 1021120220093 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred twenty thousand, ninety-three".