1101121169 has 2 divisors, whose sum is σ = 1101121170. Its totient is φ = 1101121168.

The previous prime is 1101121141. The next prime is 1101121171. The reversal of 1101121169 is 9611211011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 876870544 + 224250625 = 29612^2 + 14975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101121169 is a prime.

It is a super-2 number, since 2×1101121169² = 2424935657639853122, which contains 22 as substring.

Together with 1101121171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1101127169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560584 + 550560585.

It is an arithmetic number, because the mean of its divisors is an integer number (550560585).

Almost surely, 2^1101121169 is an apocalyptic number.

It is an amenable number.

1101121169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101121169 is an equidigital number, since it uses as much as digits as its factorization.

1101121169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 23.

The square root of 1101121169 is about 33183.1458574982. The cubic root of 1101121169 is about 1032.6307116613.

The spelling of 1101121169 in words is "one billion, one hundred one million, one hundred twenty-one thousand, one hundred sixty-nine".