102022202122 has 4 divisors (see below), whose sum is σ = 153033303186. Its totient is φ = 51011101060.

The previous prime is 102022202111. The next prime is 102022202143. The reversal of 102022202122 is 221202220201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221202220201 = 379 ⋅583647019.

It can be written as a sum of positive squares in only one way, i.e., 100228594921 + 1793607201 = 316589^2 + 42351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102022202096 and 102022202105.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25505550529 + ... + 25505550532.

Almost surely, 2^102022202122 is an apocalyptic number.

102022202122 is a deficient number, since it is larger than the sum of its proper divisors (51011101064).

102022202122 is an equidigital number, since it uses as much as digits as its factorization.

102022202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51011101063.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102022202122 its reverse (221202220201), we get a palindrome (323224422323).

The spelling of 102022202122 in words is "one hundred two billion, twenty-two million, two hundred two thousand, one hundred twenty-two".