20103132111 has 8 divisors (see below), whose sum is σ = 28380892464. Its totient is φ = 12613729920.

The previous prime is 20103132109. The next prime is 20103132169. The reversal of 20103132111 is 11123130102.

It is a happy number.

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

It is not a de Polignac number, because 20103132111 - 2¹ = 20103132109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103134111) 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, 197089480 + ... + 197089581.

It is an arithmetic number, because the mean of its divisors is an integer number (3547611558).

Almost surely, 2^20103132111 is an apocalyptic number.

20103132111 is a deficient number, since it is larger than the sum of its proper divisors (8277760353).

20103132111 is a wasteful number, since it uses less digits than its factorization.

20103132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394179081.

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

Adding to 20103132111 its reverse (11123130102), we get a palindrome (31226262213).

The spelling of 20103132111 in words is "twenty billion, one hundred three million, one hundred thirty-two thousand, one hundred eleven".