18102210122 has 16 divisors (see below), whose sum is σ = 29247892992. Its totient is φ = 8378301360.

The previous prime is 18102210101. The next prime is 18102210173. The reversal of 18102210122 is 22101220181.

It is a super-2 number, since 2×18102210122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18102210094 and 18102210103.

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 in 7 ways as a sum of consecutive naturals, for example, 6345773 + ... + 6348624.

It is an arithmetic number, because the mean of its divisors is an integer number (1827993312).

Almost surely, 2^18102210122 is an apocalyptic number.

18102210122 is a deficient number, since it is larger than the sum of its proper divisors (11145682870).

18102210122 is a wasteful number, since it uses less digits than its factorization.

18102210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694453.

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 18102210122 in words is "eighteen billion, one hundred two million, two hundred ten thousand, one hundred twenty-two".