2102121110110 has 16 divisors (see below), whose sum is σ = 4324363426656. Its totient is φ = 720727237728.

The previous prime is 2102121110107. The next prime is 2102121110119. The reversal of 2102121110110 is 110111212012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102121110119) 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, 15015150717 + ... + 15015150856.

It is an arithmetic number, because the mean of its divisors is an integer number (270272714166).

Almost surely, 2^{2102121110110} is an apocalyptic number.

2102121110110 is an abundant number, since it is smaller than the sum of its proper divisors (2222242316546).

2102121110110 is a wasteful number, since it uses less digits than its factorization.

2102121110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030301587.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2102121110110 its reverse (110111212012), we get a palindrome (2212232322122).

The spelling of 2102121110110 in words is "two trillion, one hundred two billion, one hundred twenty-one million, one hundred ten thousand, one hundred ten".