1121202120331 has 2 divisors, whose sum is σ = 1121202120332. Its totient is φ = 1121202120330.

The previous prime is 1121202120319. The next prime is 1121202120341. The reversal of 1121202120331 is 1330212021211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121202120331 - 2⁵ = 1121202120299 is a prime.

It is a super-2 number, since 2×1121202120331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121202120299 and 1121202120308.

It is not a weakly prime, because it can be changed into another prime (1121202120341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560601060165 + 560601060166.

It is an arithmetic number, because the mean of its divisors is an integer number (560601060166).

Almost surely, 2^{1121202120331} is an apocalyptic number.

1121202120331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121202120331 is an equidigital number, since it uses as much as digits as its factorization.

1121202120331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1121202120331 its reverse (1330212021211), we get a palindrome (2451414141542).

The spelling of 1121202120331 in words is "one trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty thousand, three hundred thirty-one".