1121001200213 has 2 divisors, whose sum is σ = 1121001200214. Its totient is φ = 1121001200212.

The previous prime is 1121001200153. The next prime is 1121001200239. The reversal of 1121001200213 is 3120021001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120926152644 + 75047569 = 1058738^2 + 8663^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121001200213 - 2⁸ = 1121001199957 is a prime.

It is a super-2 number, since 2×1121001200213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121001200243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500600106 + 560500600107.

It is an arithmetic number, because the mean of its divisors is an integer number (560500600107).

Almost surely, 2^{1121001200213} is an apocalyptic number.

It is an amenable number.

1121001200213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121001200213 is an equidigital number, since it uses as much as digits as its factorization.

1121001200213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1121001200213 its reverse (3120021001211), we get a palindrome (4241022201424).

The spelling of 1121001200213 in words is "one trillion, one hundred twenty-one billion, one million, two hundred thousand, two hundred thirteen".