1101211061 has 2 divisors, whose sum is σ = 1101211062. Its totient is φ = 1101211060.

The previous prime is 1101211009. The next prime is 1101211079. The reversal of 1101211061 is 1601121011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100580625 + 630436 = 33175^2 + 794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101211061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101211961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550605530 + 550605531.

It is an arithmetic number, because the mean of its divisors is an integer number (550605531).

Almost surely, 2^1101211061 is an apocalyptic number.

It is an amenable number.

1101211061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101211061 is an equidigital number, since it uses as much as digits as its factorization.

1101211061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

The square root of 1101211061 is about 33184.5003126460. The cubic root of 1101211061 is about 1032.6588111162.

Adding to 1101211061 its reverse (1601121011), we get a palindrome (2702332072).

The spelling of 1101211061 in words is "one billion, one hundred one million, two hundred eleven thousand, sixty-one".