1121123133061 has 2 divisors, whose sum is σ = 1121123133062. Its totient is φ = 1121123133060.

The previous prime is 1121123132999. The next prime is 1121123133113. The reversal of 1121123133061 is 1603313211211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1007473912900 + 113649220161 = 1003730^2 + 337119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121123133061 - 2³¹ = 1118975649413 is a prime.

It is a super-2 number, since 2×1121123133061² (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 (1121123133461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560561566530 + 560561566531.

It is an arithmetic number, because the mean of its divisors is an integer number (560561566531).

Almost surely, 2^{1121123133061} is an apocalyptic number.

It is an amenable number.

1121123133061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121123133061 is an equidigital number, since it uses as much as digits as its factorization.

1121123133061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 1121123133061 its reverse (1603313211211), we get a palindrome (2724436344272).

The spelling of 1121123133061 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty-three thousand, sixty-one".