2102102210122 has 8 divisors (see below), whose sum is σ = 3197563925472. Its totient is φ = 1036247568300.

The previous prime is 2102102210101. The next prime is 2102102210129. The reversal of 2102102210122 is 2210122012012.

It is a happy number.

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 = 2102102210096 and 2102102210105.

It is not an unprimeable number, because it can be changed into a prime (2102102210129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7401768204 + ... + 7401768487.

It is an arithmetic number, because the mean of its divisors is an integer number (399695490684).

Almost surely, 2^{2102102210122} is an apocalyptic number.

2102102210122 is a deficient number, since it is larger than the sum of its proper divisors (1095461715350).

2102102210122 is a wasteful number, since it uses less digits than its factorization.

2102102210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14803536764.

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

Adding to 2102102210122 its reverse (2210122012012), we get a palindrome (4312224222134).

The spelling of 2102102210122 in words is "two trillion, one hundred two billion, one hundred two million, two hundred ten thousand, one hundred twenty-two".