102220101222122 has 8 divisors (see below), whose sum is σ = 165124778897316. Its totient is φ = 47178508256352.

The previous prime is 102220101222089. The next prime is 102220101222131. The reversal of 102220101222122 is 221222101022201.

It can be written as a sum of positive squares in 2 ways, for example, as 98376027303961 + 3844073918161 = 9918469^2 + 1960631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102220101222094 and 102220101222103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965771177323 + ... + 1965771177374.

Almost surely, 2^{102220101222122} is an apocalyptic number.

102220101222122 is a deficient number, since it is larger than the sum of its proper divisors (62904677675194).

102220101222122 is a wasteful number, since it uses less digits than its factorization.

102220101222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931542354712.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102220101222122 its reverse (221222101022201), we get a palindrome (323442202244323).

The spelling of 102220101222122 in words is "one hundred two trillion, two hundred twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-two".