1101120211201 has 2 divisors, whose sum is σ = 1101120211202. Its totient is φ = 1101120211200.

The previous prime is 1101120211151. The next prime is 1101120211249. The reversal of 1101120211201 is 1021120211011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 960008040000 + 141112171201 = 979800^2 + 375649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101120211201 - 2⁷ = 1101120211073 is a prime.

It is a super-5 number, since 5×1101120211201⁵ (a number of 61 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (1101120311201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560105600 + 550560105601.

It is an arithmetic number, because the mean of its divisors is an integer number (550560105601).

Almost surely, 2^{1101120211201} is an apocalyptic number.

It is an amenable number.

1101120211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101120211201 is an equidigital number, since it uses as much as digits as its factorization.

1101120211201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1101120211201 its reverse (1021120211011), we get a palindrome (2122240422212).

The spelling of 1101120211201 in words is "one trillion, one hundred one billion, one hundred twenty million, two hundred eleven thousand, two hundred one".