20111241203 has 8 divisors (see below), whose sum is σ = 20606057472. Its totient is φ = 19619213256.

The previous prime is 20111241187. The next prime is 20111241221. The reversal of 20111241203 is 30214211102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20111241203 - 2⁴ = 20111241187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111241223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682475 + ... + 711332.

It is an arithmetic number, because the mean of its divisors is an integer number (2575757184).

Almost surely, 2^20111241203 is an apocalyptic number.

20111241203 is a deficient number, since it is larger than the sum of its proper divisors (494816269).

20111241203 is a wasteful number, since it uses less digits than its factorization.

20111241203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394161.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20111241203 its reverse (30214211102), we get a palindrome (50325452305).

The spelling of 20111241203 in words is "twenty billion, one hundred eleven million, two hundred forty-one thousand, two hundred three".