2102011102 has 4 divisors (see below), whose sum is σ = 3153016656. Its totient is φ = 1051005550.

The previous prime is 2102011073. The next prime is 2102011103. The reversal of 2102011102 is 2011102012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102011103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525502774 + ... + 525502777.

It is an arithmetic number, because the mean of its divisors is an integer number (788254164).

Almost surely, 2^2102011102 is an apocalyptic number.

2102011102 is a deficient number, since it is larger than the sum of its proper divisors (1051005554).

2102011102 is a wasteful number, since it uses less digits than its factorization.

2102011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051005553.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2102011102 is about 45847.6946203405. The cubic root of 2102011102 is about 1280.9878242953.

Adding to 2102011102 its reverse (2011102012), we get a palindrome (4113113114).

The spelling of 2102011102 in words is "two billion, one hundred two million, eleven thousand, one hundred two".