102100220122 has 32 divisors (see below), whose sum is σ = 155677261824. Its totient is φ = 50213766000.

The previous prime is 102100220077. The next prime is 102100220137. The reversal of 102100220122 is 221022001201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43427247 + ... + 43429597.

It is an arithmetic number, because the mean of its divisors is an integer number (4864914432).

Almost surely, 2^102100220122 is an apocalyptic number.

102100220122 is a deficient number, since it is larger than the sum of its proper divisors (53577041702).

102100220122 is a wasteful number, since it uses less digits than its factorization.

102100220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102100220122 its reverse (221022001201), we get a palindrome (323122221323).

The spelling of 102100220122 in words is "one hundred two billion, one hundred million, two hundred twenty thousand, one hundred twenty-two".