1011100120211 has 2 divisors, whose sum is σ = 1011100120212. Its totient is φ = 1011100120210.

The previous prime is 1011100120201. The next prime is 1011100120243. The reversal of 1011100120211 is 1120210011101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011100120211 - 2²² = 1011095925907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011100120192 and 1011100120201.

It is not a weakly prime, because it can be changed into another prime (1011100120201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550060105 + 505550060106.

It is an arithmetic number, because the mean of its divisors is an integer number (505550060106).

Almost surely, 2^{1011100120211} is an apocalyptic number.

1011100120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100120211 is an equidigital number, since it uses as much as digits as its factorization.

1011100120211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011100120211 its reverse (1120210011101), we get a palindrome (2131310131312).

It can be divided in two parts, 1011100 and 120211, that added together give a palindrome (1131311).

The spelling of 1011100120211 in words is "one trillion, eleven billion, one hundred million, one hundred twenty thousand, two hundred eleven".