102022012109 has 2 divisors, whose sum is σ = 102022012110. Its totient is φ = 102022012108.

The previous prime is 102022012097. The next prime is 102022012163. The reversal of 102022012109 is 901210220201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99278557225 + 2743454884 = 315085^2 + 52378^2 .

It is a cyclic number.

It is not a de Polignac number, because 102022012109 - 2²⁴ = 102005234893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102022012199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011006054 + 51011006055.

It is an arithmetic number, because the mean of its divisors is an integer number (51011006055).

Almost surely, 2^102022012109 is an apocalyptic number.

It is an amenable number.

102022012109 is a deficient number, since it is larger than the sum of its proper divisors (1).

102022012109 is an equidigital number, since it uses as much as digits as its factorization.

102022012109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 102022012109 in words is "one hundred two billion, twenty-two million, twelve thousand, one hundred nine".