1011211112141 has 2 divisors, whose sum is σ = 1011211112142. Its totient is φ = 1011211112140.

The previous prime is 1011211112129. The next prime is 1011211112159. The reversal of 1011211112141 is 1412111121101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750901970116 + 260309142025 = 866546^2 + 510205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011211112141 - 2¹⁸ = 1011210849997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011211112161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605556070 + 505605556071.

It is an arithmetic number, because the mean of its divisors is an integer number (505605556071).

Almost surely, 2^{1011211112141} is an apocalyptic number.

It is an amenable number.

1011211112141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011211112141 is an equidigital number, since it uses as much as digits as its factorization.

1011211112141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 1011211112141 its reverse (1412111121101), we get a palindrome (2423322233242).

The spelling of 1011211112141 in words is "one trillion, eleven billion, two hundred eleven million, one hundred twelve thousand, one hundred forty-one".