1121402101213 has 2 divisors, whose sum is σ = 1121402101214. Its totient is φ = 1121402101212.

The previous prime is 1121402101121. The next prime is 1121402101243. The reversal of 1121402101213 is 3121012041211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994571387524 + 126830713689 = 997282^2 + 356133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121402101213 - 2²¹ = 1121400004061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121402101243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560701050606 + 560701050607.

It is an arithmetic number, because the mean of its divisors is an integer number (560701050607).

Almost surely, 2^{1121402101213} is an apocalyptic number.

It is an amenable number.

1121402101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121402101213 is an equidigital number, since it uses as much as digits as its factorization.

1121402101213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1121402101213 its reverse (3121012041211), we get a palindrome (4242414142424).

The spelling of 1121402101213 in words is "one trillion, one hundred twenty-one billion, four hundred two million, one hundred one thousand, two hundred thirteen".