1100121007 has 2 divisors, whose sum is σ = 1100121008. Its totient is φ = 1100121006.

The previous prime is 1100120999. The next prime is 1100121041. The reversal of 1100121007 is 7001210011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100121007 - 2³ = 1100120999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100121047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550060503 + 550060504.

It is an arithmetic number, because the mean of its divisors is an integer number (550060504).

Almost surely, 2^1100121007 is an apocalyptic number.

1100121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100121007 is an equidigital number, since it uses as much as digits as its factorization.

1100121007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1100121007 is about 33168.0721025507. The cubic root of 1100121007 is about 1032.3179665290.

Adding to 1100121007 its reverse (7001210011), we get a palindrome (8101331018).

The spelling of 1100121007 in words is "one billion, one hundred million, one hundred twenty-one thousand, seven".