12101011110 has 48 divisors (see below), whose sum is σ = 31597716384. Its totient is φ = 3213081216.

The previous prime is 12101011081. The next prime is 12101011147. The reversal of 12101011110 is 1111010121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12101011092 and 12101011101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267562 + ... + 309501.

It is an arithmetic number, because the mean of its divisors is an integer number (658285758).

Almost surely, 2^12101011110 is an apocalyptic number.

12101011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101011110 is an abundant number, since it is smaller than the sum of its proper divisors (19496705274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101011110 is a wasteful number, since it uses less digits than its factorization.

12101011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577309 (or 577306 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 12101011110 its reverse (1111010121), we get a palindrome (13212021231).

It can be divided in two parts, 121010111 and 10, that added together give a palindrome (121010121).

The spelling of 12101011110 in words is "twelve billion, one hundred one million, eleven thousand, one hundred ten".