20022112100149 has 2 divisors, whose sum is σ = 20022112100150. Its totient is φ = 20022112100148.

The previous prime is 20022112100113. The next prime is 20022112100209. The reversal of 20022112100149 is 94100121122002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14008738980625 + 6013373119524 = 3742825^2 + 2452218^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022112100149 - 2⁷ = 20022112100021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022112100849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011056050074 + 10011056050075.

It is an arithmetic number, because the mean of its divisors is an integer number (10011056050075).

Almost surely, 2^{20022112100149} is an apocalyptic number.

It is an amenable number.

20022112100149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022112100149 is an equidigital number, since it uses as much as digits as its factorization.

20022112100149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 20022112100149 in words is "twenty trillion, twenty-two billion, one hundred twelve million, one hundred thousand, one hundred forty-nine".