11110010101820 has 48 divisors (see below), whose sum is σ = 28067393948160. Its totient is φ = 3608664934464.

The previous prime is 11110010101793. The next prime is 11110010101867. The reversal of 11110010101820 is 2810101001111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2088345104 + ... + 2088350423.

It is an arithmetic number, because the mean of its divisors is an integer number (584737373920).

Almost surely, 2^{11110010101820} is an apocalyptic number.

11110010101820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110010101820 is an abundant number, since it is smaller than the sum of its proper divisors (16957383846340).

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

11110010101820 is a wasteful number, since it uses less digits than its factorization.

11110010101820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176695562 (or 4176695560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11110010101820 its reverse (2810101001111), we get a palindrome (13920111102931).

The spelling of 11110010101820 in words is "eleven trillion, one hundred ten billion, ten million, one hundred one thousand, eight hundred twenty".