102212201122 has 16 divisors (see below), whose sum is σ = 155059515000. Its totient is φ = 50525833600.

The previous prime is 102212201081. The next prime is 102212201129. The reversal of 102212201122 is 221102212201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26592151041 + 75620050081 = 163071^2 + 274991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102212201096 and 102212201105.

It is not an unprimeable number, because it can be changed into a prime (102212201129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705872 + ... + 1764772.

Almost surely, 2^102212201122 is an apocalyptic number.

102212201122 is a deficient number, since it is larger than the sum of its proper divisors (52847313878).

102212201122 is an equidigital number, since it uses as much as digits as its factorization.

102212201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68741.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102212201122 its reverse (221102212201), we get a palindrome (323314413323).

The spelling of 102212201122 in words is "one hundred two billion, two hundred twelve million, two hundred one thousand, one hundred twenty-two".