102011203 has 16 divisors (see below), whose sum is σ = 123989184. Its totient is φ = 81930240.

The previous prime is 102011191. The next prime is 102011207. The reversal of 102011203 is 302110201.

It is not a de Polignac number, because 102011203 - 2⁹ = 102010691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102011203.

It is not an unprimeable number, because it can be changed into a prime (102011207) 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, 26901 + ... + 30457.

It is an arithmetic number, because the mean of its divisors is an integer number (7749324).

Almost surely, 2^102011203 is an apocalyptic number.

102011203 is a deficient number, since it is larger than the sum of its proper divisors (21977981).

102011203 is a wasteful number, since it uses less digits than its factorization.

102011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102011203 is about 10100.0595542799. The cubic root of 102011203 is about 467.2499781239.

Adding to 102011203 its reverse (302110201), we get a palindrome (404121404).

The spelling of 102011203 in words is "one hundred two million, eleven thousand, two hundred three".