121001111069 has 2 divisors, whose sum is σ = 121001111070. Its totient is φ = 121001111068.

The previous prime is 121001111041. The next prime is 121001111131. The reversal of 121001111069 is 960111100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118835325625 + 2165785444 = 344725^2 + 46538^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001111069 - 2¹² = 121001106973 is a prime.

It is a super-2 number, since 2×121001111069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121001111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500555534 + 60500555535.

It is an arithmetic number, because the mean of its divisors is an integer number (60500555535).

Almost surely, 2^121001111069 is an apocalyptic number.

It is an amenable number.

121001111069 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001111069 is an equidigital number, since it uses as much as digits as its factorization.

121001111069 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 121001111069 in words is "one hundred twenty-one billion, one million, one hundred eleven thousand, sixty-nine".