101210020069 has 2 divisors, whose sum is σ = 101210020070. Its totient is φ = 101210020068.

The previous prime is 101210020061. The next prime is 101210020091. The reversal of 101210020069 is 960020012101.

It is an a-pointer prime, because the next prime (101210020091) can be obtained adding 101210020069 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96138443844 + 5071576225 = 310062^2 + 71215^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210020069 - 2³ = 101210020061 is a prime.

It is a super-2 number, since 2×101210020069² (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 (101210020061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605010034 + 50605010035.

It is an arithmetic number, because the mean of its divisors is an integer number (50605010035).

Almost surely, 2^101210020069 is an apocalyptic number.

It is an amenable number.

101210020069 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210020069 is an equidigital number, since it uses as much as digits as its factorization.

101210020069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 101210020069 in words is "one hundred one billion, two hundred ten million, twenty thousand, sixty-nine".