20130340223111 has 4 divisors (see below), whose sum is σ = 21314477883312. Its totient is φ = 18946202562912.

The previous prime is 20130340223069. The next prime is 20130340223137. The reversal of 20130340223111 is 11132204303102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20130340223111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130340223171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592068830075 + ... + 592068830108.

It is an arithmetic number, because the mean of its divisors is an integer number (5328619470828).

Almost surely, 2^{20130340223111} is an apocalyptic number.

20130340223111 is a deficient number, since it is larger than the sum of its proper divisors (1184137660201).

20130340223111 is a wasteful number, since it uses less digits than its factorization.

20130340223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184137660200.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20130340223111 its reverse (11132204303102), we get a palindrome (31262544526213).

The spelling of 20130340223111 in words is "twenty trillion, one hundred thirty billion, three hundred forty million, two hundred twenty-three thousand, one hundred eleven".