102210210222122 has 16 divisors (see below), whose sum is σ = 153389038667400. Its totient is φ = 51080535152640.

The previous prime is 102210210222103. The next prime is 102210210222149. The reversal of 102210210222122 is 221222012012201.

It can be written as a sum of positive squares in 4 ways, for example, as 85153566281161 + 17056643940961 = 9227869^2 + 4129969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102210210222094 and 102210210222103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44673722 + ... + 46905882.

Almost surely, 2^{102210210222122} is an apocalyptic number.

102210210222122 is a deficient number, since it is larger than the sum of its proper divisors (51178828445278).

102210210222122 is a wasteful number, since it uses less digits than its factorization.

102210210222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243161.

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

Adding to 102210210222122 its reverse (221222012012201), we get a palindrome (323432222234323).

The spelling of 102210210222122 in words is "one hundred two trillion, two hundred ten billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".