20103113211 has 16 divisors (see below), whose sum is σ = 27457218048. Its totient is φ = 13077266400.

The previous prime is 20103113209. The next prime is 20103113231. The reversal of 20103113211 is 11231130102.

It is a happy number.

It is not a de Polignac number, because 20103113211 - 2¹ = 20103113209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20103113201) 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, 168700 + ... + 262041.

It is an arithmetic number, because the mean of its divisors is an integer number (1716076128).

Almost surely, 2^20103113211 is an apocalyptic number.

20103113211 is a deficient number, since it is larger than the sum of its proper divisors (7354104837).

20103113211 is a wasteful number, since it uses less digits than its factorization.

20103113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431122.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20103113211 its reverse (11231130102), we get a palindrome (31334243313).

The spelling of 20103113211 in words is "twenty billion, one hundred three million, one hundred thirteen thousand, two hundred eleven".