1142211321611 has 2 divisors, whose sum is σ = 1142211321612. Its totient is φ = 1142211321610.

The previous prime is 1142211321571. The next prime is 1142211321617. The reversal of 1142211321611 is 1161231122411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142211321611 - 2⁶ = 1142211321547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142211321617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571105660805 + 571105660806.

It is an arithmetic number, because the mean of its divisors is an integer number (571105660806).

Almost surely, 2^{1142211321611} is an apocalyptic number.

1142211321611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142211321611 is an equidigital number, since it uses as much as digits as its factorization.

1142211321611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 26.

The spelling of 1142211321611 in words is "one trillion, one hundred forty-two billion, two hundred eleven million, three hundred twenty-one thousand, six hundred eleven".