101011121069 has 2 divisors, whose sum is σ = 101011121070. Its totient is φ = 101011121068.

The previous prime is 101011121059. The next prime is 101011121087. The reversal of 101011121069 is 960121110101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83962596169 + 17048524900 = 289763^2 + 130570^2 .

It is a cyclic number.

It is not a de Polignac number, because 101011121069 - 2²⁸ = 100742685613 is a prime.

It is a super-2 number, since 2×101011121069² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101011121059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505560534 + 50505560535.

It is an arithmetic number, because the mean of its divisors is an integer number (50505560535).

Almost surely, 2^101011121069 is an apocalyptic number.

It is an amenable number.

101011121069 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011121069 is an equidigital number, since it uses as much as digits as its factorization.

101011121069 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 101011121069 in words is "one hundred one billion, eleven million, one hundred twenty-one thousand, sixty-nine".