111012220002020 has 12 divisors (see below), whose sum is σ = 233125662004284. Its totient is φ = 44404888000800.

The previous prime is 111012220002017. The next prime is 111012220002029. The reversal of 111012220002020 is 20200022210111.

It can be written as a sum of positive squares in 2 ways, for example, as 87574073042404 + 23438146959616 = 9358102^2 + 4841296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111012220001986 and 111012220002004.

It is not an unprimeable number, because it can be changed into a prime (111012220002029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775305500031 + ... + 2775305500070.

It is an arithmetic number, because the mean of its divisors is an integer number (19427138500357).

Almost surely, 2^{111012220002020} is an apocalyptic number.

111012220002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012220002020 is an abundant number, since it is smaller than the sum of its proper divisors (122113442002264).

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

111012220002020 is a wasteful number, since it uses less digits than its factorization.

111012220002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550611000110 (or 5550611000108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111012220002020 its reverse (20200022210111), we get a palindrome (131212242212131).

The spelling of 111012220002020 in words is "one hundred eleven trillion, twelve billion, two hundred twenty million, two thousand, twenty".