1131012121051 has 2 divisors, whose sum is σ = 1131012121052. Its totient is φ = 1131012121050.

The previous prime is 1131012120941. The next prime is 1131012121067. The reversal of 1131012121051 is 1501212101311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131012121051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131012121091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565506060525 + 565506060526.

It is an arithmetic number, because the mean of its divisors is an integer number (565506060526).

Almost surely, 2^{1131012121051} is an apocalyptic number.

1131012121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131012121051 is an equidigital number, since it uses as much as digits as its factorization.

1131012121051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 1131012121051 its reverse (1501212101311), we get a palindrome (2632224222362).

The spelling of 1131012121051 in words is "one trillion, one hundred thirty-one billion, twelve million, one hundred twenty-one thousand, fifty-one".