102021222110149 has 2 divisors, whose sum is σ = 102021222110150. Its totient is φ = 102021222110148.

The previous prime is 102021222110083. The next prime is 102021222110173. The reversal of 102021222110149 is 941011222120201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68420441872225 + 33600780237924 = 8271665^2 + 5796618^2 .

It is a cyclic number.

It is not a de Polignac number, because 102021222110149 - 2¹³ = 102021222101957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102021222110189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010611055074 + 51010611055075.

It is an arithmetic number, because the mean of its divisors is an integer number (51010611055075).

Almost surely, 2^{102021222110149} is an apocalyptic number.

It is an amenable number.

102021222110149 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021222110149 is an equidigital number, since it uses as much as digits as its factorization.

102021222110149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 102021222110149 in words is "one hundred two trillion, twenty-one billion, two hundred twenty-two million, one hundred ten thousand, one hundred forty-nine".