101201099669 has 2 divisors, whose sum is σ = 101201099670. Its totient is φ = 101201099668.

The previous prime is 101201099647. The next prime is 101201099687. The reversal of 101201099669 is 966990102101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97809435025 + 3391664644 = 312745^2 + 58238^2 .

It is an emirp because it is prime and its reverse (966990102101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101201099669 - 2²⁴ = 101184322453 is a prime.

It is a super-2 number, since 2×101201099669² (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 (101201099969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600549834 + 50600549835.

It is an arithmetic number, because the mean of its divisors is an integer number (50600549835).

Almost surely, 2^101201099669 is an apocalyptic number.

It is an amenable number.

101201099669 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201099669 is an equidigital number, since it uses as much as digits as its factorization.

101201099669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 101201099669 in words is "one hundred one billion, two hundred one million, ninety-nine thousand, six hundred sixty-nine".