2102111020110 has 32 divisors (see below), whose sum is σ = 5097077449632. Its totient is φ = 554783938560.

The previous prime is 2102111020103. The next prime is 2102111020111. The reversal of 2102111020110 is 110201112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102111020111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361184551 + ... + 361190370.

It is an arithmetic number, because the mean of its divisors is an integer number (159283670301).

Almost surely, 2^{2102111020110} is an apocalyptic number.

2102111020110 is an abundant number, since it is smaller than the sum of its proper divisors (2994966429522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102111020110 is a wasteful number, since it uses less digits than its factorization.

2102111020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722375028.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2102111020110 its reverse (110201112012), we get a palindrome (2212312132122).

It can be divided in two parts, 210211 and 1020110, that added together give a palindrome (1230321).

The spelling of 2102111020110 in words is "two trillion, one hundred two billion, one hundred eleven million, twenty thousand, one hundred ten".