1011120220291 has 2 divisors, whose sum is σ = 1011120220292. Its totient is φ = 1011120220290.

The previous prime is 1011120220283. The next prime is 1011120220301. The reversal of 1011120220291 is 1920220211101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011120220291 - 2³ = 1011120220283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011120260291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505560110145 + 505560110146.

It is an arithmetic number, because the mean of its divisors is an integer number (505560110146).

Almost surely, 2^{1011120220291} is an apocalyptic number.

1011120220291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011120220291 is an equidigital number, since it uses as much as digits as its factorization.

1011120220291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 1011120220291 its reverse (1920220211101), we get a palindrome (2931340431392).

The spelling of 1011120220291 in words is "one trillion, eleven billion, one hundred twenty million, two hundred twenty thousand, two hundred ninety-one".