2102102111010 has 128 divisors (see below), whose sum is σ = 5814606643200. Its totient is φ = 481559294720.

The previous prime is 2102102110987. The next prime is 2102102111023. The reversal of 2102102111010 is 101112012012.

It is a super-2 number, since 2×2102102111010² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1886970 + ... + 2786549.

It is an arithmetic number, because the mean of its divisors is an integer number (45426614400).

Almost surely, 2^{2102102111010} is an apocalyptic number.

2102102111010 is an abundant number, since it is smaller than the sum of its proper divisors (3712504532190).

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

2102102111010 is a wasteful number, since it uses less digits than its factorization.

2102102111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673616.

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

Adding to 2102102111010 its reverse (101112012012), we get a palindrome (2203214123022).

The spelling of 2102102111010 in words is "two trillion, one hundred two billion, one hundred two million, one hundred eleven thousand, ten".