20111311130 has 32 divisors (see below), whose sum is σ = 37053111744. Its totient is φ = 7855134336.

The previous prime is 20111311127. The next prime is 20111311133. The reversal of 20111311130 is 3111311102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20111311127) and next prime (20111311133).

It is not an unprimeable number, because it can be changed into a prime (20111311133) 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, 2669549 + ... + 2677071.

It is an arithmetic number, because the mean of its divisors is an integer number (1157909742).

Almost surely, 2^20111311130 is an apocalyptic number.

20111311130 is a deficient number, since it is larger than the sum of its proper divisors (16941800614).

20111311130 is a wasteful number, since it uses less digits than its factorization.

20111311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 20111311130 its reverse (3111311102), we get a palindrome (23222622232).

The spelling of 20111311130 in words is "twenty billion, one hundred eleven million, three hundred eleven thousand, one hundred thirty".