102100220097 has 32 divisors (see below), whose sum is σ = 142106102784. Its totient is φ = 65133772800.

The previous prime is 102100220077. The next prime is 102100220137. The reversal of 102100220097 is 790022001201.

It is not a de Polignac number, because 102100220097 - 2¹⁰ = 102100219073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102100220077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3258847 + ... + 3290027.

It is an arithmetic number, because the mean of its divisors is an integer number (4440815712).

Almost surely, 2^102100220097 is an apocalyptic number.

It is an amenable number.

102100220097 is a deficient number, since it is larger than the sum of its proper divisors (40005882687).

102100220097 is a wasteful number, since it uses less digits than its factorization.

102100220097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31609.

The product of its (nonzero) digits is 504, while the sum is 24.

Adding to 102100220097 its reverse (790022001201), we get a palindrome (892122221298).

The spelling of 102100220097 in words is "one hundred two billion, one hundred million, two hundred twenty thousand, ninety-seven".