102040211 has 16 divisors (see below), whose sum is σ = 127963584. Its totient is φ = 79208064.

The previous prime is 102040201. The next prime is 102040231. The reversal of 102040211 is 112040201.

It is not a de Polignac number, because 102040211 - 2²² = 97845907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102040192 and 102040201.

It is not an unprimeable number, because it can be changed into a prime (102040201) 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, 5756 + ... + 15401.

It is an arithmetic number, because the mean of its divisors is an integer number (7997724).

Almost surely, 2^102040211 is an apocalyptic number.

102040211 is a deficient number, since it is larger than the sum of its proper divisors (25923373).

102040211 is a wasteful number, since it uses less digits than its factorization.

102040211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21230.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 102040211 is about 10101.4954833430. The cubic root of 102040211 is about 467.2942631385.

Adding to 102040211 its reverse (112040201), we get a palindrome (214080412).

The spelling of 102040211 in words is "one hundred two million, forty thousand, two hundred eleven".