11110111210020 has 96 divisors (see below), whose sum is σ = 31461522301440. Its totient is φ = 2929174617600.

The previous prime is 11110111210019. The next prime is 11110111210057. The reversal of 11110111210020 is 2001211101111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11110111209978 and 11110111210005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1193470 + ... + 4862570.

It is an arithmetic number, because the mean of its divisors is an integer number (327724190640).

Almost surely, 2^{11110111210020} is an apocalyptic number.

11110111210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110111210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15730761150720).

11110111210020 is an abundant number, since it is smaller than the sum of its proper divisors (20351411091420).

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

11110111210020 is a wasteful number, since it uses less digits than its factorization.

11110111210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669685 (or 3669683 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11110111210020 its reverse (2001211101111), we get a palindrome (13111322311131).

The spelling of 11110111210020 in words is "eleven trillion, one hundred ten billion, one hundred eleven million, two hundred ten thousand, twenty".