2102120110010 has 32 divisors (see below), whose sum is σ = 3852245721744. Its totient is φ = 825687360000.

The previous prime is 2102120110009. The next prime is 2102120110019. The reversal of 2102120110010 is 100110212012.

It can be written as a sum of positive squares in 8 ways, for example, as 305976028801 + 1796144081209 = 553151^2 + 1340203^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102120109973 and 2102120110000.

It is not an unprimeable number, because it can be changed into a prime (2102120110019) 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, 2500361 + ... + 3233580.

Almost surely, 2^{2102120110010} is an apocalyptic number.

2102120110010 is a deficient number, since it is larger than the sum of its proper divisors (1750125611734).

2102120110010 is a wasteful number, since it uses less digits than its factorization.

2102120110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734610.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2102120110010 its reverse (100110212012), we get a palindrome (2202230322022).

The spelling of 2102120110010 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred ten thousand, ten".