1012121132311 has 2 divisors, whose sum is σ = 1012121132312. Its totient is φ = 1012121132310.

The previous prime is 1012121132291. The next prime is 1012121132401. The reversal of 1012121132311 is 1132311212101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012121132311 - 2²¹ = 1012119035159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012121192311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060566155 + 506060566156.

It is an arithmetic number, because the mean of its divisors is an integer number (506060566156).

Almost surely, 2^{1012121132311} is an apocalyptic number.

1012121132311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012121132311 is an equidigital number, since it uses as much as digits as its factorization.

1012121132311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1012121132311 its reverse (1132311212101), we get a palindrome (2144432344412).

The spelling of 1012121132311 in words is "one trillion, twelve billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred eleven".