20115101114 has 24 divisors (see below), whose sum is σ = 32156604480. Its totient is φ = 9435013056.

The previous prime is 20115101113. The next prime is 20115101119. The reversal of 20115101114 is 41110151102.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 20115101092 and 20115101101.

It is not an unprimeable number, because it can be changed into a prime (20115101113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120767 + ... + 234125.

It is an arithmetic number, because the mean of its divisors is an integer number (1339858520).

Almost surely, 2^20115101114 is an apocalyptic number.

20115101114 is a deficient number, since it is larger than the sum of its proper divisors (12041503366).

20115101114 is a wasteful number, since it uses less digits than its factorization.

20115101114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113702 (or 113685 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 20115101114 its reverse (41110151102), we get a palindrome (61225252216).

The spelling of 20115101114 in words is "twenty billion, one hundred fifteen million, one hundred one thousand, one hundred fourteen".